MON-260 Sinonasal Papilloma Masquerading as a Pituitary Macroadenoma

Isolated Metastatic Hepatocellular Carcinoma Masquerading as a Pituitary Macroadenoma- A Case Report and Review of Literature

Tumors in general metastasizing to the pituitary gland and skull base are a rare occurrence, comprising of 1-3% of all pituitary masses [1]. Moreover, breast and lung tumors are the commonest primary malignancies that result in pituitary gland metastasis, with a pituitary mass often being the first manifestation of an occult primary tumor [2]. HCC is a frequently occurring malignancy usually ma...

Inverted Sinonasal Papilloma Masquerading as a Malignancy - Report of an Unusual Case.

Inverted sinonasal papilloma (ISP) is a benign epithelial neoplasm arising from the Schneiderian membrane. We report a case of ISP in a 50-year-old male that clinically presented as a polypoid mass in the nasal cavity. Imaging studies revealed it to be an aggressive lesion showing intracranial extension. On histopathological examination of the excised specimen, a diagnosis of ISP was arrived at...

Nonfunctional pituitary macroadenoma manifested as muscular symptoms.

A 75-year-old man with a large pituitary adenoma presented with general muscular weakness, including difficulty in rising in the morning and forceless defecation and urination, and muscular pain, numbness and atrophy in the shoulder, neck and thigh. Testosterone replacement and subsequent resection of the pituitary tumor resulted in resolution of the symptoms. The value of pituitary imaging tes...

A FSH-Secreting Pituitary Macroadenoma Causing A Testosterone Deficiency Syndrome

A case of lymphocytic hypophysitis presenting as a pituitary macroadenoma.

The results of her basal pituitary function tests taken at that time are tabulated below ( table 1 ). These results suggest adrenocorticotropic hormone (ACTH), thyroid stimulating hormone (TSH) and prolactin deficiencies. A repeat MRI scan of her pituitary demonstrated a normal pituitary gland with no optic chiasmal compression, nor evidence of pituitary haemorrhage. In view of the spontaneous ...