CHRONIC
INTESTINAL
MALABSORPTION
Angel Cordano, M.D.,
and
George G. Graham, M.D.Grace Department of Research, British American Hospital, Apartado 2713, Lima, Peru
(Received October 14, 1965; revision accepted for publication May 12, 1966.)
This work was supported by grants AM-04635, AM-05935 and AM-09137 from the National Institutes
of Health, U. S. Public Health Service, and by a grant from the United Nations Children’s Fund.
PRESENT ADDRESS: (CCC.) Baltimore City Hospital, 4940 Eastern Avenue, Baltimore, Mary’land
21224.
PEDIATRICS, Vol. 38, No. 4, Part I, October 1966
596
W
E HAVE previously reported theoc-cunrence of copper deficiency in
se-verely malnourished infants rehabilitated on milk diets.’ Hypocupremia, anemia, neutropenia, and bone changes resembling
those seen in scurvy developed in manasmic infants with histories of chronic diarrhea and grossly inadequate intakes
appnoxi-mately 2 months after being placed on a high-calorie, low-copper diet. There was a prompt response to copper therapy. At that time we expressed doubt that copper
deficiency could occur with any frequency
in human beings but suggested that it
might vell occur in subjects with chronic intestinal malabsonption who were neceiv-ing milk diets. A previous report of
two
adults with anemia and hypocupremia com-plicating non-tropical sprue supports this
2 Recently we have seen a child
with severe chronic intestinal malabsonp-tion who developed intractable anemia,
in-termittent neutropenia, severe osteoporosis. and pathological fractures. We were not able to study hen until after copper
treat-ment had been given and we, thus, do not know the serum Cu level before treatment. The manifestations of Cu deficiency were so typical and the neponse to treatment so dramatic, including striking improvement in the malabsorption, that publication of her detailed history seems justified, panticu-larly as it suggests that chronic Cu deficiency can also affect intestinal enzyme activity.
CASE REPORT
P.L., a white female born on April 21, 1958,
was the fourth child of healthy parents of
Polish-Jewish extraction who are first cousins. Their first
child, a l)Oy born in 1945, and the second, a girl born in 1947, are both in good health. Their third child, a girl born in 1954, weighed 2.68 kg at
birth and died at the age of 53i months of
malnim-trition and diarrhea, weighing 3.4 kg. She was
breast-fed, almost exclusively, for 23 months. hilt very soon after birth became anoretic, vomited fre-quently, and had severe diarrhea which persisted
despite a change to a variety of formulas. Autopsy
was not performed.
P.L. weighed 3.1 kg at birth. She was breast-fed for 33i months (orange juice with some cane sugar
was started at 2 months) and, although she was
described as a poor eater and vomited on the
aver-age of once every 2 days, she regained her birth
weight in 2 weeks and gained 150 gm a week
thereafter. She had one normal stool daily and
reached a weight of 4.8 kg. Between 33 and 4
months of age she gained only 110 gm and a
physician advised a gradual change to an
evapo-rated cow’s milk and cane sugar formula. Within a
week she began to vomit three to four times daily
and to have bulky, loose stools three to four times daily. A gastric and pancreatic enzyme
prepara-tion and atropine were given and her diet was
changed to powdered whole milk. Stools improved
but she continued to vomit. Anorexia became more severe, and at 5 months her weight was 4.3 kg. Another physician advised the addition of solid
foods and forced feeding. Vomiting and anorexia continued; stools were large and contained undi-gested food. The diagnosis of celiac disease was suggested; solids were stopped; and she was given
a high-protein milk, Vitamin B2 and a lactobacil-lus preparation, intramuscular liver extract (20
doses) and desoxvcorticosterone (intermittently), and three whole blood transfusions. Over the next few months she received chloramphenicol, tetra-cycline, B complex injections, a testosterone
(le-rivative, pancreatic extracts, a low-fat diet and a
protein milk, all without effect. A lactic acid,
low-fat milk with added dextri-maltose was given for
most of the following year. At 6 months,
roughen-ing of the skin was noticed, with an apparent good
a banana-base formula for a few days; she took it well but the number of stools increased and it
was stopped. Blood examinations apparently re-vealed anemia and she received 22 blood trans-fusions (approximately every 10 days), 20 to 25
plasma transfusions (at similar intervals) and 80
injections of liver extract. This treatment,
how-ever, was apparently intended as general
suppor-tive therapy more than as a specific treatment for
anemia. Her general condition remained
precani-oils with anorexia, vomiting, and diarrhea always
prominent; at 15 months her length was 61 cm and weight was 4 kg. A 2-week course of vitamin
E was associated with improved appetite, a 450
gm weight gain, and eruption of her first tooth,
but was soon followed by a return to the previous
state. At the age of 19 months she was taking about 25 oz per day of the lactic acid milk. She vomited occasionally, had intermittent abdominal
distention, and usually had one or two stools
daily-some formed, some undigested. Although
she recognized her family, smiled, and had head
control, she could not turn over or sit, even with
support. She was markedly emaciated, feeble and irritable, moderately pale, weighed 4 kg, and mea-sured 63 cm in length. Circumference of the head was 41.9 cm, of the chest 38.1, and of the
ab-domen 39.4 cm. She had an enlarged clitoris but no additional significant findings. She was ad-mitted to The Children’s Medical Center in Boston for 33 months, during which time extensive studies were carried out. Sweat electrolytes and stool trypsin were normal as were liver and adrenal
function studies. Routine urinalyses yielded 10 to
80 mg of albumin/100 ml but were otherwise
normal, including screening for amino acids. Re-peated 3-day stool fat determinations were within normal limits. Duodenal intubation demonstrated
normal trypsin, chymotrypsin and lipase, decreased amylase. Hemoglobin was 7.3 gm/100 ml,
hema-tocrit 24%, and WBC 8,200/mm’ with 81% lvmpho-cytes, 4% monocytes, 1% eosinophils, 1% basophils,
6% metamvelocvtes, 3% non-segmented neutrophils,
and 4 segmented neutrophils. Blood smear re-vealed marked hypochromia, moderate anisocytosis and poikilocvtosis, a mixed population with
marked microcytosis and moderate macrocvtosis and normal platelets. After transfusion of 100 ml
of whole blood, hemoglobin and hematocrit
con-tinued to rise to normal levels and the neutropenia
disappeared. After a few weeks, the hemogram gradually reverted to mixed anemia and
neutro-penia. Reticulocytes were found to be 3.0, 1.6, and 5.2% on three different occasions, platelets 350,000/mm’. Red blood cell indices 10 days
after transfusion were within normal limits.
Bone marrow aspiration 5 days aftr
transfu-sion revealed a cellular marrow with erythroid
hyperplasia and slight tendency of red cell
pre-cursors toward earl type nucleus. Giant
meta-myelocytes were present, with some bizarre
shaped nuclei. Serum iron was found to be 73
tg/100 ml. Fasting serum carotene was 4 g/1O0
ml and Vitamin A 9.6 tg/100 ml. Four hours after
an oral dose of oleum percomorphum, serum
Vita-mm A was 19 tg/100 ml.
Repeated blood sugar determinations were within
normal limits, with no significant postprandial rise.
Oral glucose tolerance tests on two occasions
showed a marked rise in 1 hour with a return to normal by 3 hours. Following the finding of
lac-tose in the urine, oral galactose and lactose toler-ance tests were done. Galactose did not produce diarrhea, and total blood sugar rose from a fasting
value of 36.4 to 190 in 1 hour, 195 at 2 hours
and 1 15 mg/100 ml at 3 hours. Fermentable sugar
fell to 0 at 2 hours, and non-fermentable sugar
rose from a fasting value of 4.9 to 195 at 2 hours
and 75 mg/100 ml at 3 hours.
Oral lactose tolerance test produced a recur-rence of diarrhea and lactosuria, and total blood sugar rose from 57 to only 90 mg/100 ml at 1 and 2 hours. Stools were guaiac positive, as on a number of other occasions.
On a lactose-free protein hydrolysate diet there
was some clinical improvement: stools became smaller and less frequent and her disposition im-proved but there was no significant weight gain. Subsequently, sucrose was also found in the urine and she was then placed on a diet of casein, corn-oil emulsion, and glucose, with improvement in her stools but continued failure to gain weight.
Radiologic bone age was 3 months when she
was 20 months old. The long bones showed
marked osteoporosis on admission. Fifty-one days
later, shortly after a trial course of ACTH, it was noted that both knees were swollen and tender.
X-rays revealed pathological compression
frac-tures through the distal shafts of the left femur,
proximal metaphysis of the left tibia, proximal shaft
of the right tibia (Fig. 1) and compression frac-tures of both radial heads without evidence of dis-alignment. Despite the gross osteoporosis and little
or no maturation, x-rays taken subsequently
showed good healing of the fractures.
Upon discharge from the hospital, she was kept on a diet of protein hydrolysate and casein with
added fat and glucose, bananas, and carrot juice.
During the following 23 months her course was somewhat more favorable, with periods of little or no diarrhea alternating with acute episodes of
large, foul-smelling stools every 2 or 3 weeks.
During the last 5 of these 23 months she had
bouts of unexplained fever. In February 1962 she
weighed 8 kg and measured 80 cm in length; head
circumference was 46.5 cm; bone age was 12 months. Hemoglobin was 12 gm/100 ml,
hema-tocrit 40, WBC 10,100 (44% neutrophils). Five
months later she began to require transfusion
_::&:.
.F
Fic. 1. Lateral x-rays of both knees at the age of 22 months revealing pathological compression
fractures through the metaphyses of the left femur and both tibiae.
hemoglobin to below 5.0 gm/100 ml. Leukopenia
and neutropenia was repeatedly found as well. In
February 1963 she suffered a supracondylar
frac-hire of the left arm.
At the age of 5 years she was re-admitted to
The Children’s Medical Center in Boston for
re-evaluation. Her weight was 8.8 kg and she mea-sured 83.8 cm in length. Routine urinalyses were
unremarkable except for the finding of 45 mg
albumin/100 ml. Sweat electrolytes were again
normal as were serum electrolytes, with the
ex-ception of acidosis and hypokalemia during an
episode of diarrhea and dehydration.
Hemoglobin was 10.5 gm/l00 ml, WBC 7.900 (14% non-segmented neutrophils and 52%
seg-mented neutrophils). Smear revealed moderate to
marked anisocvtosis, macrocytosis and microcv-tosis, moderate hvpochromia, slight poikilocvtosis,
and polychromatophilia. One week later hemo-globin had risen to 12.5 gm, hematocrit was 39,
RBC 3.28 million/mm’, the morphology was
near-ly normal, and there was 4% reticulocytosis.
Aspiration of the bone marrow yielded fairly
cellular material. A tendency to myeloid
hyper-plasia was apparent with a shift to the left in the myeloid series. Erythroid elements were generally
morphologically normal and megakarvocytes were
moderately numerous. Occasional histiocytes were
seen. The impression was: shift to the left in the myeloid series suggesting either a response to
leu-kocytosis or an early partial myeloid maturation
arrest.
Precipitins to milk and wheat could not be
demonstrated. Stool trvpsin and fat content were
repeatedly normal. Fasting serum carotene was 10 Lg and Vitamin A was 34.9 tg/100 ml.
Oral glucose and maltose tolerance tests were
normal. Oral lactose tolerance revealed a fasting
total blood sugar of 48 mg/100 ml with no rise in
4 hours. It produced a marked lactosuria,
moder-ate galactosuria, explosive diarrhea, and a
posi-tive stool guaiac. Sucrose tolerance test produced a rise in blood sugar from 68 to 135 in 3 hour, with a return to 57 mg/100 ml at 2 hours. There
was a marked sucrosuria, moderate glucosuria and
fructosuria, and positive stool guaiac, but no
diar-rhea.
Biopsy of the duodenal mucosa was reported to
show flattening of the mucosa and clubbing of the
villi with the relative length of the vil!i to depth of the crypts about 1 to 3 and the striated border of the epithelium intact. Scattered along the
sur-face and glandular epithelium, the nuclei of the
columnar cells tended to be large and juicy. The
Paneth cells were adequate and the lamina
pro-pria was markedly infiltrated by plasma cells. The villi were adequately vascularized. The lacteals
were dilated and the muscularis mucosa and glands of Brunner showed no remarkable change. Diagnosis was: Grade III atrophy of the
duo-clenal mucosa with plasmacvtosis and
lvmphangi-ectasia.
Enzyme studies of the duodenal biopsy revealed
no detectable lactase and a decrease in alkaline
ARTICLES
599
most of the changes found microscopically and in
the enzymes could be secondary rather than
pri-mary.
X-ravs of the long bones (Fig. 2) showed
marked generalized loss of density with a rather coarse trabecular architecture evident in most of the metaphyses. The epiphyseal plates, however, had a normal size and were fairly sharply defined.
There was a buckle-type fracture of the distal lat-eral cortex of the left femur with a small amount
of periosteal new bone formation, and the
frac-ture was thought to have occurred several weeks
previously. Many growth disturbance lines were
evident. The bone age was between the standards
of 18 and 24 months; the chronologic age was 5 years. X-ray examination of the upper gastroin-testinal tract revealed intermittent severe gastro-esophageal regurgitation, probably accompanied by a sliding hiatus hernia. Irregular clumping of barium in the small bowel was also demonstrated.
During the following year she continued to
have repeated bouts of large, foul-smelling stools and did not gain weight. She received
transfu-sions every 2 to 3 nionths, when hemoglobin
dropped below 7 grn/100 ml.
From May to August 1964, she continued to have frequent bouts of diarrhea and in June edema of the eyelids and legs was noted for a few days. The
anemia became much more severe, falling below
4 gm/100 ml and making transfusion necessary
with much greater frequency. She received more
than 20 transfusions (100 ml of whole blood each) during this short time. Neutropenia was
intermit-tently noted.
On August 24, 1964, hematocrit was 10%, red
blood cell count 1.2 million/mm’, hemoglobin 3.6 gm/100 ml, WBC 3,900/mm’ with 2%
non-seg-mented and 7% segmented neutrophils.
Reticulo-cytes were 0.2%, normoblasts, 1%, and blood smear
revealed moderate hypochromia, microcytosis and
anisocytosis; MCV was calculated as 83.3, MCH
30, MCHC 36. Macroscopically the bone marrow
appeared moderately hypoplastic. Microscopically,
cellularity seemed diminished with a slight
in-crease in fat. Megakaryocvtes were normal or slightly increased. The erythroid elements were
diminished with most cells being of the
normo-blastic type. The granulocytic series was well rep-resented with a moderate degree of maturation arrest, as most elements were at the level of metamyelocytes and mature myelocytes. Very few non-segmented or segmented neutrophils were present. The impression was that of moderate
erythroid hypoplasia and moderate granulocytic
maturation arrest.
At this point her case was described to one of
us (AC.), who suggested that part of her picture
might be due to copper deficiency. A blood sam-plc for serum Cu determination was requested but, unfortunately, was not drawn, and on Au-gust 30, 1964, she was placed on 10 drops daily
of 1% Cu sulfate solution yielding 2.5 mg of Cu daily. On September 5 RBC was up to 1.66
mi-lion/mm’, hemoglobin to 5.8 gm/100 ml, \VBC to 12,400 with 7% non-segmented and 38% segmented neutrophils, reticulocytes to 4.5%. Nine days later, hematocrit was 32, RBC 3.36 million/mn’, hemo-globin 9.2 gm/100 ml, WBC 9,000/mm3 with 3%
non-segmented, 64% segmented neutrophils, retic-ulocytes 4%. The blood picture returned to
nor-mal in another month and she has not required
transfusion in over 18 months, hemoglGbin
remain-ing above 12 gm/100 ml. Table I summarizes the
pertinent hematologic data.
Following the administration of Cu there was a remarkable improvement in her appetite, he: weight rose from 8 kg in August 1964 to 9.25 kg in November 1964, to 11.25 kg in March 1r65, to
12.78 kg in August 1965, and to 15.2 kg in
De-cember 1965. During the same time she grew 14.5
cm (to 98.5 cm) and her head circumference
in-creased 1.6 cm (to 48.1 cm). Her progress in growth and bone age is depicted in Fig. 3.
During January, February, and March 1965 sl: had an unexplained fever (as on previous
occa-sions), but this disappeared without specific treat-ment and has not recurred in 10 months.
In Mawh 1965, at the age of 611/i2 years, she
FIG. 2. A-P x-ray of both legs at the age of 5 years revealing marked osteoporosis, multiple lines
of growth arrest, and a recent fracture of the left
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walked for the first time in her life and the
fol-lowing month sustained a linear fracture of the shaft of the left tibia which healed normally, never having had the characteristics of a pathological
fracture. Her disposition improved strikingly and her mental age was estimated at close to 5 years when she was 7 years old.
In November 1964, less than 3 months after the
start of Cu treatment, x-rays of the long bones
re-vealed considerable new bone formation at the metaphyses, but bone age was still 18 months. In
another 5 months (Fig. 4) there was radiologic evidence of considerable growth with dense new
bone formation. In July 1965 radiologie bone age
had advanced to 27 months and in January 1966
to 5 years.
Q
uite unexpectedly, there has been a remark-able improvement in her stools, the bouts ofdiar-rhea becoming less and less frequent. Since Oc-tober 1964 she has had voluminous stools no more
than tsvice weekly and from early July 1965 to late January 1966 there had not been a single
episode of severe diarrhea. Until March 1965 she
remained on a diet of protein hydrolysates, medi-um-chain triglycerides, glucose, and a few
vege-tables. At that time, cautious additions to her
diet were started and by July she was taking
daily: 20 oz of whole milk, a variety of cereals,
noodles, chicken, beef, a wide variety of
vege-tables, baked apples and bananas. Excessive milk intake still produces an increase in stool weight. Serum Cii on Max’ 8, 1965, was 130 sg/100 ml, a normal value in our laboratory.
Oral lactose tolerance test in December 1965
revealed a fasting blood sugar of 97 mg/100 ml;
at 3 hour the blood sugar was 127, at one hour 107,
and at 2 hours 97 mg/100 ml. There was no di-arrhea, but the urine was positive for a reducing sugar which was not glucose.
Oral sucrose tolerance test, also in December,
revealed a fasting blood sugar of 77, a 3-hour
value of 195, a 1-hour value of 137, and a 2-hour value of 77 mg/100 ml. The urine was positive
for glucose.
Stool disaccharidase activities in 8 consecutive
stool samples obtained in December 1965 were determined by Dr. Harold M. Nitowsky and Dr. Andrew Grunfeld of the Sinai Hospital of
Balti-more. In micromoles of glucose released/gm of
fecal protein/hour the results were as follows:
lactase 44.0-1 21 .2 tmoles/gm/hour; saccharase
59.4-300.4 smoles/gm/hour; maltase
860.8-1,138.1 smoles/gm/hour. These values all fell within the normal range for their laboratory.
DISCUSSION
The primary diagnosis in this child ne-mains unclean; the family history strongly suggesting a genetic disorder. Cystic
fibro-I
CNRONOLOIC AGt (YRS)
Fic. 3. Evolution of developmental age for height,
weight, and bone maturation from birth until the age of 7 years, 8 months. The 50th percentile of the Stuart Growth Curves has been used as the standard of reference. Shortly after the
adminis-tration of copper there was a notable spurt in all
three measures.
sis of the pancreas and celiac disease were
adequately ruled out.
The fact that she tolerated hen mother’s milk relatively well for
33
months and is now able to tolerate fairly lange amounts ofwhole cow’s milk suggests that, if she had
primary lactase deficiency, this was incom-plete at first and at present, and that it was
aggravated by a secondary disorder which
also resulted in a temporary but severe deficiency of other disacchanidases. Her sibling’s history suggests primary lactase deficiency.
The aggravation of her difficulties almost immediately after the introduction of a modified evaporated cow’s milk formula containing sucrose suggests either an intol-erance on allergy to cow’s milk protein or a
Fic. 4. Lateral x-ray of both knees at the age of 7 years approximately 7 months after the start of copper therapy. There is considerable dense new bone formation and evidence of striking growth in the length
of the bones.
very low invertase activity found in the du-odenal biopsy, she had normal sucrose tol-enance. At 72 years of age sucrose
tol-enance was normal and the stool bad a nor-mal saccharase activity. Multiple secondary disaccharidase deficiencies have been
ne-ported in most cases of primary invertase deficiency,’ although apparent lactase
deficiency has been reported only twice.4”
It is possible that hen basic problem is one of primary lactase deficiency, albeit
in-complete, but aggravated by secondary changes brought on by the chronic loss of
nutrients in her stool and
by
hen very re-stnicted diet. Alternatively, the lactasedeficiency may also be secondary to an
un-determined primary condition.
It is probable that l)v 7 or 8 months of age P.L. had developed Cu deficiency, con-trolieci temporarily 1w tranfusions.
By
the age of 19 months, after 3 months withouttransfusion, she had all the manifestations
of Cu deficiency which we have previously described : anemia, neutropenia, and marked osteoporosis, soon adding patholog-ical fractures. The first bone marrow exam-med probably showed some response to the copper in the whole blood received 5 days previously. During the next 5 years, the man-ifestations were quite variable. It is
proba-ble that not only the transfusions but
possi-bly also the short episodes of improvement in her malabsorption and in her diet
result-ed in temporary remissions of the hemato-logic manifestations and in short periods of normal bone formation. Between March 1960 and July
1962
she showed enoughim-provement in hen basic disease to allow the
probable absorption of enough Cu to pre-vent anemia. Then, however, the full-blown
hematologic picture recurred; she started
receiving transfusions again and by the date of her second hospital admission she
mar-row showed only partial maturation arrest of the granulocytic series. She relapsed
again and at 6 years of age hen copper deficiency had become most severe, with an apparent significant decrease in the life span of erythrocytes, such as that de-scnibed in swine who were made copper
2 There was now only a very
tran-sitory response to blood transfusion.
The hematologic and radiologic response to the administration of Cu was most
dna-matic. The fact that there has
simultaneous-ly been a striking improvement in the
intes-tinal enzyme deficiencies suggests that a significant pant of these were indeed due to
Cu deficiency, something we have not
en-countered before. The only parallel to this in the experience with animals is the severe
diarrhea or “scours” which develops in calves and possibly lambs who graze on soils which are low in Cu and high in mo-lybdenum and which respond promptly to
Cu supplementation.6
It is interesting that, although transfusion produced improvement in her erythroid and granulocytic picture, it seemingly had no effect on whatever part of her intestinal enzyme deficiency
was
due to Cu deficiency. On the other hand, the oralad-ministration of copper produced dramatic improvement in nearly all aspects of her disease.
This child developed chronic and severe diarrhea and maldigestion, and dietary treat-ment was almost entirely based on milk
derivatives, notoriously low in copper. She developed anemia early, probably due to
copper deficiency and possibly to folic acid and B,, deficiencies as well. She re-sponded in pant to transfusion but by 19 months of age had all the manifestations of Cu deficiency. Thereafter, transfusion and dietary manipulation resulted in partial and transient remission. Our experience’
sug-gests that response to therapy is first appar-ent as a prompt increase in neutrophils and
reticulocytes, followed soon by correction of the anemia and later by improvement in the bone lesions. It is likely that this child
had never been in remission long enough
for improvement in the osteoporosis and
radiologic bone age to become apparent. Once she was placed on oral Cu therapy
her neutropenia and anemia disappeared promptly and the formation of healthy new bone soon became evident. Her intestinal enzyme activity improved and she had a dramatic spurt of gain in weight, height, and radiologic bone age, and was able to tolerate most foods.
Copper is an essential part of many en-zymes and acts as a catalyst for many
meta-bolic reactions. A significant amount is present in bile and other intestinal secre-tions, being effectively reabsorbed with the
products of digestion.#{176} In the absence of an adequate food intake, but particularly in the presence of chronic diarrhea and/or malabsorption, a good deal of this copper is lost from the body and eventually the deficiency may become severe enough to affect intestinal enzymes as well as erythro-cytes, granulocytes, and osteoblasts.
It is logical to assume that the intestinal epithelium has first call on any copper coming from the diet, thus effectively pre-venting deficiency of the activity of
intesti-nal enzymes. If, on the other hand, copper is administered by vein, already bound to
cenuloplasmin and in blood cells, it is possi-ble that the bone marrow would make first use of it, as seems to have happened in this child after transfusion.
In humans with chronic intestinal maldi-gestion or malabsorption, copper deficiency might contribute to the anemia and
osteo-ponosis which are often encountered, par-ticularly if the diet is low in copper. This would set up a vicious nutritional cycle of malabsonption causing deficiency of a nu-trient which in turn causes further
malab-sorption which cannot be corrected until an adequate supply of the missing nutrient is provided.
SUMMARY
months, this had resulted in marked copper deficiency Witil anemia, neutropenia, osteo-ponosis, pathological fractures and probably aggravation of intestinal enzyme activity deficiency. At years of age copper
therapy produced a dramatic improvement
in all manifestations, including the maldiges-tion, and there was a striking growth re-sponse.
REFERENCES
1. Cordano, A., Baertl, J. M., and Graham, C. C.:
Copper deficiency in infancy. Pmwrrncs, 34:324, 1964.
2. Cartsvright, C. E. : The relationship of copper,
cobalt and other trace elements to hemopoe-sis. Amer. J. Clin. Nutr., 3:11, 1955.
3. Nordio, S., and Lamedica, C. M. : Intolerance
to sucrose, maltose, isomaltose and starch.
In P. Durand, ed. : Disorders Due to
Intes-tinal Defective Carbohydrate Digestion and
Absorption. Rome: II Pensiero Scientifico, p.
181, 1964.
4. Delaitre, Fontv, Varlet, and Fourrier: Diarrhea
chronique chez un nourrisson par intolerance
au saccharose. Arch. Franc. Pecliat., 18:1202, 1961.
5. Gorouben, J., Beder, J., La Balle, J.,
Crum-bach, R., Yonger, J., Weill, J., and Kaplan,
M.: L’intolerance au saccharose. Etude
clini-que et biologique de 5 cas. Arch. Franc. Pediat., 20:253, 1963.
6. Underwood, E. J.: Copper. In Trace Elements in Human and Animal Nutrition. New York:
Academic Press, pp. 48-99, 1962.
Acknowledgment
The authors are indebted to Dr. Harry
Shwachman of the Boston Children’s Hospital
Medical Center, who was responsible for this
pa-tient’s care from 19 months to slightly over 5 years of age and studied her extensively; and to Drs. L. K. Diamond and Kurt Isselbacher, who
saw this child in consultation while she was
hos-pitalized in Boston, and who have allowed us to quote extensively from their records. We are also indebted to Dr. Celestino Sanchez for referring
this case to us and making available the results of his studies. We are particularly grateful to Drs. Harold Nitowsky and Andrew Grunfeld of the
Sinai Hospital of Baltimore for the stool enzyme