Andrew J. Koon, MD


Woman With Acromegaly Presenting as Unilateral Vision Loss

August 03, 2010

A 36-year-old woman presented to the emergency department with loss of vision in the right eye that had initially involved the peripheral field and progressed over 2 months to the central and nasal fields. During this period, she also had headaches, vomiting, and generalized weakness. She had had amenorrhea for 1 year.

Primary Adrenal Insufficiency

November 01, 2007

For 2 weeks, a 43-year-old white female had worsening nausea and multiple episodes of vomiting. Her symptoms began with increased malaise and decreased appetite. The emesis was unrelated to meals and was sometimes accompanied by mild abdominal distention. She had occasional fevers but denied any recent contact with ill persons. She also reported a 12-lb weight loss, decreased energy level, and an increased tan complexion over the past several months.

MAC Infection in a Man With Pectus Excavatum

November 01, 2007

For 6 weeks, a 56-year-old man had worsening dyspnea on exertion and a cough productive of yellow sputum with scant hemoptysis. He reported subjective fever over the past month but no weight loss.

Man With a Persistent Inguinal Rash

September 01, 2005

A 51-year-old man presents with a painful inguinal rash that has persisted for 3 months despite application of a combination corticosteroid and antifungal cream. The rash is associated with a strong odor.