Arginine Vasopressin Deficiency Heralding Rosai-Dorfman Disease With Neurological Manifestations.

Rosai-Dorfman disease (RDD) is a rare heterogeneous disorder of non-Langerhans cell histiocytosis. The patient is a 24-year-old woman who presented with a 1-month history of polydipsia, polyuria, and 25-lb (11.3-kg) weight loss over 6 months and was found to have significantly elevated 24-hour urine volume (8.

A Rare Case When Acromegaly Meets Cushing Syndrome.

Acromegaly is very uncommon, as is non-iatrogenic Cushing syndrome; we discuss a patient who was found to have both a pituitary adenoma causing acromegaly and a cortisol-producing adrenal adenoma causing Cushing syndrome within 1 year. She was a healthy, 44-year-old woman who presented with visual changes and was found to have bitemporal hemianopsia and a 3.3-cm pituitary mass along with central hypogonadism, central hypothyroidism, and suppressed adrenocorticotropin and discrepant cortisol.