[PDF] Top 20 MESENCHYMAL ORIGIN TUMORS OF PAROTID GLAND

... The desmoid tumor is a rare benign tumor arising from connective tissue, fascial sheaths and aponeurotic structures. [2] The pathogenesis of this nonencapsulated lesion is still unknown. [5] The head and neck ... See full document

... mesothelial origin, the tumor has been referred to by numerous other names (fibrous mesothelioma, localized fibrous tumor, localized mesothelioma, and benign mesothelioma), most of which are now outdated ...adult ... See full document

... mixed tumors of the salivary gland can describe three distinct histologic entities: carcinoma ex pleomorphic adenoma (the most common), metastasiz- ing mixed tumor, and carcinosarcoma ...these tumors ... See full document

... left parotid region, metastatic malignant tumors in both lungs, and the margin of the left residual thyroid was not ...left parotid mass re- vealed that it was a salivary gland tumor in ori- ... See full document

... Salivary gland tumors, includ- ing malignancy, represent a he- terogeneous group of patholo- gy, so it is difficult to under- stand their molecular patho- genesis and genetic altera- ...the parotid ... See full document

... of parotid tumors are benign tumors, among which about 85% are pleomorphic ade- noma ...for parotid tumors ...lateral parotid gland with facial nerve preservation [1, ... See full document

... each of these patients. CT showed a well- defined round mass, with an average maximum diameter of 19.8 ± 8.5 mm. Heterogeneous enhancement was also observed. Only two of the eight tumors (25%) showed cystic ... See full document

... during parotid surgery, whereas cases in which the FN and its branches were found encircled by venous rings [19] or “forked” between the MV and its divisions have also been reported, found either during cadaver ... See full document

... Embryologically, the parotid gland is the first salivary gland to develop and the last to become encapsulated. One hypothesis concerning Warthin’s tumours is the incorporation of salivary ducts and ... See full document

... A 11-year-old female was sent to our department from another hospital because of a painless and round mass of the right cheek for a duration of 12 months. An ultrasono- graphy showed a well-defined hypoechoic mass on the ... See full document

... the parotid space necessitates the use of fat suppression with T2- weighted fast spin-echo sequences to preserve contrast between intraparotid lesions and nor- mal gland (10, ...of parotid ... See full document

... Liposarcomas are the second most common malignant tumors of the soft tissues, constituting 16–18% of all malignant soft tissue tumors. However, they are rarely found as a malignancy within the breast. They ... See full document

... cystic parotid mass must be screened for HIV infection or for Sjogren dis- ease, because it is more likely that the cystic mass is derived from either one of these underlying diseases than to a MALT ... See full document

... salivary gland tissue and the occurrence of salivary gland atrophy disease are induced by tumor radiotherapy of the head and neck [1], inflammation and trauma of the salivary gland [2], calculi ... See full document

... the parotid glands. Initially, for anatomic localization of the parotid gland, an axial T1-weighted spin-echo sequence (TR, 500 ms/TE, 14 ms) was performed by using a matrix of 192 ⫻ 512, an FOV of ... See full document

... B, Postcontrast CT scan shows that the mass is inhomogeneously well enhanced, not containing definite cystic or necrotic components. C, Photomicrograph of the left parotid mass reveals that the tumor is composed ... See full document

... salivary gland injury often occurs because most of the salivary glands are included in the general irradiation fields for head and neck malignancy and regional lymph ...Salivary gland radiation injury leads ... See full document

... (30 parotid and 21 submandibular ducts); in 13 patients, two ducts were examined (both parotid glands in seven, both submandib- ular glands in five, and a submandibular and a parotid gland in ... See full document

... 13 parotid areas were included ...with parotid LN metas- tasis, similar to ...the parotid LN metastasis in OSCC because of the small number of reported ...resected parotid area including LN ... See full document

... the parotid glands across the patient population may have manifested different levels of chemical shift artifacts, contributing to some of the variability in parotid ADC ...the parotid gland ... See full document