Polymyalgia rheumatica: Not well understood, but important to consider
Its cause and pathogenesis remain unknown, but it may be accompanied by giant cell arteritis, which must be recognized and treated as a medical emergency.
J.D. CLOUGH

My patient has elevated prolactin and infertility, but normal periods and a negative pituitary study. What should I do?
Prolactin comes in different sizes. We should consider a diagnosis of macroprolactinemia before embarking on a series of potentially unnecessary and expensive tests and treatments.
I.B. ORIJA and C. FAIMAN

The challenge of valvular heart disease: When is it time to operate?
Performed too soon, surgery needlessly exposes a patient to operative risks, but inappropriate delay may lead to cardiac damage and worse long-term outcome.
J.P. REGINELLI and B. GRIFFIN

Cardiac sarcoidosis: A cause of infiltrative cardiomyopathy
A 52-year-old man is having frequent episodes of ventricular tachycardia. How should he be treated?
R. FASANO, C.M. RIMMERMAN, and W.A. JABER

Polymyalgia rheumatica: Clinical presentation is key to diagnosis and treatment
Diagnosing polymyalgia rheumatica can be likened to the saying, “If it looks like a duck and quacks like a duck, it probably is a duck.”
B.F. MANDELL

Fecal-based DNA assays: A new, noninvasive approach to colorectal cancer screening
Most Americans forgo any kind of colorectal cancer screening, although it it is proven to save lives. Fecal-based DNA testing may be an alternative for those who otherwise would not be screened.
V.P. DEENADAYALU and D.K. REX

An appropriate diagnostic workup for suspected vascular birthmarks
Some birthmarks can represent significant vascular anomalies that require a diagnostic workup and treatment.
O. KONEZ and P.E. BURROWS

Gynecomastia: Its features, and when and how to treat it
Gynecomastia is common and usually benign, though often distressing. Causes are many.
S.A. BEMBO and H.E. CARLSON

Three days of ciprofloxacin is adequate for UTIs in healthy older women

Magnets relieve pain in knee osteoarthritis

Task Force recommends against routine coronary screening

Meat, seafood, and too little dairy are risk factors for gout