Dark Pigmentation of the Sclera
This 52-year-old man reported that since childhood his urine had turned a dark color on exposure to air...
Dyspnea, Decreased Appetite, Fatigue and Fever
A 15-year-old male patient presented with a 3-months history of shortness of breath, decreased appetite, fatigue and fever...
Hearing Loss and Left Ear Fullness
A 46-year-old man presented to the otolaryngology clinic with hearing loss and a sensation of fullness in the left ear...
Swollen Mass on the Neck
22-year-old Guatemalan man presented with a swollen mass in the right side of his neck of 4 months' duration...
Patient with Dyspnoea and Dysphagia for Several Years
An 82-year-old woman presented with a history of progressive dyspnoea and dysphagia for several years...
Lifelong Neck Swellings
A 15-year-old boy presented with lifelong neck swellings that had been gradually increasing in size. He was otherwise asymptomatic. Laboratory tests revealed evidence of subclinical hypothyroidism, with elevated thyrotropin levels...
Rash on the Left Side of Forehead
A previously healthy 57-year-old man presented to the emergency department with 4 days of worsening rash on the left side of his forehead...
Painful Left Calf
This patient with a history of rheumatoid arthritis presented with a several-month history of a painful left calf...
White Tongue
Which one of the following medications is most likely to be responsible for this finding?
Painless Swelling and Redness of Both Eyes
An 81-year-old man presented with a 7-month history of gradual, painless swelling and redness of both eyes...