Moyamoya disease: a case of vanishing cerebral vessels.

Purpose: To provide an overview of moyamoya disease (MMD) including pathophysiology, epidemiology, clinical presentation, diagnosis, treatment, and prognosis.

Data Sources: Selected clinical and epidemiological studies, review articles, and diagnostic guidelines for MMD.

Conclusions: MMD is a rare cerebrovascular disease characterized by progressive stenosis of the distal internal carotid arteries and their major branches.

Distinctive clinical, radiographic, and functional characteristics of patients with sarcoidosis-related pulmonary hypertension.

Study Objective: To differentiate the clinical, radiographic, and physiologic profile in patients with sarcoidosis with and without pulmonary hypertension.

Design: Retrospective survey.

Setting: Tertiary care center.