A40-year-old intravenous drug user was admitted to the department of medicine with a
painful swollen left leg. He freely admitted to injecting heroin (diamorphine) intravenously …

Sialoadenitis and submandibular duct obstruction. The ultrasonography revealed a dilated
submandibular duct with an obstructing salivary stone. The most common site of salivary …

A 52-year-old Chinese woman presented to a tertiary hospital in Singapore with a 3-month
history of persistent and intermittently painful rashes over her right calf and foot (FIGURE) …

A 26-year-old woman was referred to the rheumatology clinic because of painful neck
swelling associated with thirst and weight loss. Physical examination revealed …

A 77-year-old woman with no previous medical history presented with an 18-month history
of an enlarging painless scalp nodule, intermittent fevers, fatigue, and 2-kg unintentional …

A 21-year-old woman came to the clinic, frightened by a painful purpuric rash on her lower
extremities (FIGURES 1 AND 2). The lesions appeared suddenly 3 days before, with no prior …

To the Editor: I thank the authors for their reply to our article. Levamisole, an adulterant most
commonly found in cocaine, can be associated with skin vasculitis resulting in ulcerating …

The manifestations of habitual cocaine use can mimic tumors, infections, and immunologic
diseases and can affect multiple organs, causing nasal septal perforation, cutaneous …

We present a case of an 87-year-old African American woman with painful spasm of the
neck muscles for the past 3 weeks. She could not provide any further history but was …

A 52-year-old white man was referred by his family physician for evaluation and
management of persistent swelling in the left upper neck. The patient had noticed the …