A Rare Case of Pulmonary Sarcoidosis With Extracranial Carotid System Involvement

Introduction

Sarcoidosis is a disease of unknown etiology, whose pathogenesis appears to involve genetic, immunologic, infectious, and environmental factors. It was first described in 1889 by Ernest Besnier and is also called Besnier-Boeck-Schaumann disease.^,

In sarcoidosis, a noninfectious inflammatory process leads to the formation of granulomas, which predominantly affect the lungs and intrathoracic lymph nodes in approximately 90% to 95% of cases. Close to 30% of patients with sarcoidosis present with extrapulmonary involvement, which may be the primary manifestation of the disease or occur in isolation.^–

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