Endocrine

Pituitary Apoplexy

Snapshot A 56-year-old man presents to the emergency department with a severe headache that

Pituitary (Hypophysis)

Overview Overview  pituitary, or hypophysis, rests in sella turcica, a depression of the sphenoid bone primary function

Hypoparathyroidism

Introduction Causes of ↓ PTH release include accidental surgical excision (thyroidectomy) autoimmune destruction of parathyroid

Nontoxic Goiter

Introduction Thyroid enlargement as a result of thyroid hormone deficiency initially, TH deficiency leads to

Thyroid Storm

Snapshot A 34-year-old woman with a history of hypothyroidism presents to the emergency department

Lingual Thyroid

Introduction Embryological defect with failed migration of the thyroid gland from tongue base  usually located in the midline

Riedel Thyroiditis

Introduction Thyroid tissue replaced by fibrous tissue can result in hypothyroidism histologically characterized by a dense

Demeclocycline

Overview Mechanism  ADH antagonist a tetracycline Clinical Use: SIADH  Toxicities  Nephrogenic DI Photosensitivity Abnormalities of