Thomas N. Helm, MD

Surgical Specimens and Margins

Margin analysis in simple excisions can provide useful information by proxy about more than the 1% of the margin often quoted in the literature....

A 52-year-old woman presented with painful erythematous nodules of 2 weeks’ duration that began as a single lesion on the left shin and spread...

A 78-year-old woman presented with a large friable, sharply demarcated nodule of 3 months’ duration on the left side of the back. The lesion...

Localized cutaneous argyria often presents as asymptomatic black or blue-gray pigmented macules in areas of the skin exposed to silver-containing...

Author:: Christina Yin Bin Wong, MD; Jacquelyn M. Gonka, BS; Kevin T. Shiley, MD; Thomas N. Helm, MD

A 62-year-old woman who was obese with idiopathic thrombocytopenic purpura; a history of diabetes mellitus, hypertension, and acute renal...

Plantar fibromatosis typically presents as firm plaques or nodules on the plantar surface of the foot. The process is caused by a proliferation of...

A 57-year-old Vietnamese woman presented with facial redness on the left cheek of 6 months’ duration. She attributed the redness to an allergic...

The patient, who had a squamous cell carcinoma, underwent Mohs surgery and has done well.

AbstractAn immunocompromised patient presented with chronic low back pain as the initial symptom and a subcutaneous abscess as the initial sign of...