JOHN J. WILSON, M.D., and THOMAS M. BEST, M.D., PH.D.

Examination of tendinopathies should include assessment for swelling, asymmetry, and erythema of involved tendons; range-of-motion testing; palpation for tenderness; and maneuvers that reproduce pain. Surgery is an effective treatment that should be reserved for patients who have failed conservative therapy.

BEATRIX ROEMHELD-HAMM, M.D., PH.D.

Chasteberry has been used since ancient times to treat gynecologic conditions. Modern physicians have used the herb to treat cyclical breast discomfort and premenstrual syndrome.

DANIEL J. WATTENDORF, MAJ, MC, USAF, and MAXIMILIAN MUENKE, M.D.

Prader-Willi syndrome is a genetic disorder that usually involves chromosome 15. Diagnosis often is delayed because the clinical findings are relatively nonspecific and the dysmorphism often is subtle.

Camila K. Janniger, M.D., Robert A. Schwartz, M.D., M.P.H., Jacek C. Szepietowski, M.D., PH.D., and Adam Reich, M.D.

Intertrigo, an inflammatory condition that affects opposing surfaces of skinfolds, is commonly complicated by secondary bacterial or fungal infections. Physicians should treat the infection and instruct patients to take preventive measures.

Patient information: "Intertrigo: What You Should Know," p. 840

GLEN M. BOWEN, M.D., GEORGE L. WHITE, JR., P.A.-C., M.S.P.H., PH.D., and JOHN W. GERWELS, M.D.

Mohs micrographic surgery is the treatment of choice for removing skin cancers in critical sites, large or recurrent tumors, tumors in sites of radiation therapy, and tumors with aggressive histologic features.

TAOUFIK M. ALSAADI, M.D., and ANNA VINTER MARQUEZ, M.D.

Psychogenic nonepileptic seizures are somatic manifestations of psychologic distress. Early recognition can prevent morbidity from inappropriate treatment.