Robert P. Blereau, MD

September 14, 2005

For 2 months, an asymptomatic rash had been present on the upper arms of a 16-year-old boy of normal weight. The rash, as seen on the patient's right arm, consisted of abundant fine papules. He had no other lesions.

September 14, 2005

A 5-month-old boy's head hit the floor after he tumbled from his mother's arms. No injury was noted by the parents, and the infant immediately began to cry. His mother brought him to the emergency department just to be sure he was not seriously injured.

September 14, 2005

This asymptomatic pigmented lesion on the left posterior jaw of a 52-year-old man had been present for 6 years, with no evidence of recent change. At the patient's request, the lesion was excised.

September 14, 2005

A 16-year-old African American boy complained of exertional pain below his left knee that severely limited his ability to participate in sports. The patient had had bilateral bowed legs until his early school years, when the right knee straightened. For the past year, exertional pain had been present below the left knee in the epiphyseal area.

September 14, 2005

A 3-mm long, double-tipped, polypoid lesion appeared just anterior to the anus on an 8-month-old girl 2 days earlier. The lesion was excised in the office: a local anesthetic was administered, and the base was lightly electrodesiccated. Antibiotic ointment was applied until the area healed. Pathologic findings identified an infantile perianal pyramidal protrusion.

September 14, 2005

A 49-year-old man was concerned about a right flexor forearm lesion that had been increasing in size for 6 weeks. The light pink, well-demarcated, 5-cm, circular lesion featured slight peripheral elevation with ulceration, crusting, and a relatively clear central area. A culture of material from the lesion was negative for fungi. A potassium hydroxide evaluation was not performed.

September 14, 2005

An excrescence at the 6 o'clock position at the anal verge is evident on this 8-day-old girl's anus. A hemorrhoid needs to be considered in the differential diagnosis of rectal bleeding in all age groups, since the condition can be present in neonates as well as adults.

September 14, 2005

A 35-year-old woman complained of pain or a burning sensation on her tongue when she ingested hot or acidic food and beverages. The white patch had spontaneously developed on her tongue 3 months earlier.

September 14, 2005

A 62-year-old man consulted his physician hoping to confirm his suspicion that this lesion was benign and caused by skin friction from his watch. The 0.75-cm, purplish red, raised, rounded, dome-shaped mass with a keratin-filled crater at its top was on the patient's left distal extensor forearm. The lesion had developed within 3 weeks.

September 14, 2005

Two asymptomatic lesions that had been present for 1 year on the left upper chest of a 61-year-old man were excised. Pathologic examination revealed the raised, dark brown medial lesion to be an interdermal nevus; the lateral, light tan lesion with papules (arrow) was a papillomatous interdermal nevus with primary macular amyloidosis.