Cystic lesions of the thyroid encompass a wide and heterogeneous spectrum ranging from degenerative, developmental, inclusion, non neoplastic, benign to malignant tumors with no particular age and sex predilection. The most common differential diagnosis of cystic lesions include branchial cleft cyst, colloid cysts, thyroglossal cysts, papillary carcinoma and very rarely epidermal cyst. Epidermal inclusion cysts can be defined as epithelial cysts which grow slowly. The treatment is total excision together with cyst's capsule. We report this case of thyroid epidermoid cyst at a rare site in a 26 year old female which was diagnosed accurately on cytology and confirmed on histopathological examination.
Lymphomas account for 2%-5% of salivary gland neoplasms. The parotid gland is the most commonly involved, constituting 70% of the cases, followed by submandibular gland (25%), sublingual and minor salivary glands (<10%). In present study a 56 years old seropositive male presented with a submandibular gland swelling of 2 months duration; along with multiple cervical lymphadenopathy. Grossly a single, well encapsulated, grayish-white tissue measuring 3x2.5x2 cms was received. It was solid, grayish-white on cut section. Histology revealed features of diffuse large B cell lymphoma with myoepithelial sialadenitis. Immunohistochemistry showed positivity for LCA & CD20, thus confirming the histopathological diagnosis. Primary malignant lymphoma of salivary glands is uncommon. Inspite of malignant lymphoma being the second most common AIDS-associated neoplasm, it’s occurrence in submandibular gland is extremely rare.
Introduction: Salivary gland lesions encompass a baffling subset of lesions with overlapping morphologies on cytomorphology, due to their heterogenous histologies and rare enough to sometimes bewilder even the most knowledgeable cytopathologists. The technique of fine needle aspiration (FNA) cytology in the evaluation of salivary gland lesion is simple to perform, saves time, reliable, safe and inexpensive. FNA is highly accurate when used in proper clinical setting and supported by appropriate clinical and relevant diagnostic data. Rapidity of obtaining a pathological diagnosis allows more intelligent therapeutic approach. Materials and Methods: It was a prospective study carried out in the cytology section of pathology department for a period of two years using fine needle aspiration as a diagnostic tool as per standard protocol. The clinical and radiological data were obtained from the patient’s case papers and collaboration with the operating surgeon, the lesions were analysed on cytology. Haematoxylin & Eosin, Papanicolaou stain and Giemsa were used as standard stains. Results: A total of 66 cases of salivary gland lesions were aspirated for a period of two years. Majority of cases were in the age group of 21-30 years with 36 male patients (55%) and 30 female patients (45%). About 44(66.7%), 19(28.8%), 1(1.5%) and 2(3.0%) cases occurred in parotid gland, submandibular gland, sublingual gland and minor salivary gland respectively. There were 21(32%) cases of non-neoplastic lesions and 45(68%) cases of neoplastic lesions. Histopathological specimens were available in 11 out of 66 cases and showed correlation with cytological findings. Conclusion: Fine needle aspiration cytology of salivary gland lesions has high diagnostic accuracy, helps in appropriate therapeutic management and is useful as a diagnostic procedure because of the availability of earlier diagnosis in comparison with the histopathology. Keywords: Salivary gland lesions, fine needle aspiration cytology, neoplastic, non-neoplastic.
We report an eight years female child of symptomatic giant Rathke's cleft cyst extending from right parasellar, paraventricular region to right fronto-temporo-parietal cortical surface which is an unusual site for Rathke's cyst. MRI Brain scans of patient who presented with diminution of vision in right eye with headache and vomiting revealed a large cystic mass in right parasellar, paraventricular region with peripheral enhancement and midline shift. In this case, we performed the right fronto-temporo-parietal craniotomy with drainage and marsupilization of cyst wall. Histopathologically, it was inflamed Rathke's cleft cyst with focal epithelial metaplasia.
Hypophysitis of the pituitary gland is a rare inflammatory disorder and broadly classified as primary and secondary hypophysitis. Primary hypophysitis is mainly of lymphocytic, granulomatous, and xanthomatous types. Among the various primary hypophysitis, granulomatous hypophysitis is rare type with an incidence of 1 in 10 million. The various forms of hypophysitis are misdiagnosed as pituitary adenoma in 40% cases. Idiopathic granulomatous hypophysitis is even rarer inflammatory disorder accounting for <1% of cases involving panhypopituitarism with headache and visual disturbances. We report idiopathic granulomatous hypophysitis in a 28-year-old female presenting with blurring of vision and headache.
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