Endocrine Abstracts

Introduction: Central diabetes insipidus (CDI) is characterized by a deficient secretion of anti-diuretic hormone (ADH), in which a large volume of hypotonic urine is eliminated. Pituitary metastatic disease is rare, accounting for 1% of all excised pituitary tumors and generally involves the posterior pituitary. Neoplasms that more often originate pituitary metastases are breast and lung cancer. Breast cancer (BC) is associated with pituitary secondary involvement in 5.3 to 2...

Introduction: Merkel cell carcinoma (MCC) is a rare, aggressive cutaneous malignancy, affecting predominantly caucasian and older individuals (slight male predominance). This neoplasm is associated with a high risk of local recurrence and regional lymph node involvement. Distant metastases are less frequent; they were described in liver, bone, CNS, skin, lung and spleen. The authors describe a clinical case of Merkel cell carcinoma with a single metastasis in a thyroid nodule....