Mark A. Bechtel, MD

Crusts Under the Lip...

Publish date: May 1, 2011

A teenage boy has crusts under his lip; a woman has blisters that were preceded by burning pain.

Publish date: March 1, 2011

A woman taking doxycycline has a rash and onycholysis; another woman develops wheals with scratching or friction of the skin.

Publish date: January 1, 2011

A woman suspects she has “ringworm”; another woman has an eruption on her trunk and arms.

Publish date: November 1, 2010

A pregnant woman has a highly pruritic rash on her abdomen; an elderly woman has a painful dermatitis at the corners of her mouth.

Publish date: July 1, 2010

A woman has a persistent rash on her nose that worsens with sun exposure; another woman was bitten by a tick and now has a rash, arthralgias, and ...

Publish date: May 1, 2010

A woman presents with clear, fluid-filled blisters; in a second case, a retired farmer has a visible hemorrhage into the skin of his arm.

Publish date: March 1, 2010

A man presents with a recurrent blistering plaque and is concerned that he may have herpes; another man has a bleeding vascular nodule on his righ...