Article Author: Thomas N. Helm, MD Publish date: July 7, 2022
Margin analysis in simple excisions can provide useful information by proxy about more than the 1% of the margin often quoted in the literature.
Article Author: Thomas N. Helm, MD Publish date: July 10, 2017
Quiz Author: Thomas N. Helm, MD Publish date: June 15, 2015
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 rapidly...
Quiz Author: Thomas N. Helm, MD Publish date: March 19, 2015
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 occasiona...
Article Author: Thomas N. Helm, MD Publish date: January 9, 2015
Localized cutaneous argyria often presents as asymptomatic black or blue-gray pigmented macules in areas of the skin exposed to silver-containing c...
Article Author: Thomas N. Helm, MD Publish date: July 9, 2014
A 62-year-old woman who was obese with idiopathic thrombocytopenic purpura; a history of diabetes mellitus, hypertension, and acute renal insuffici...
Article Author: Thomas N. Helm, MD Publish date: November 1, 2013
Plantar fibromatosis typically presents as firm plaques or nodules on the plantar surface of the foot. The process is caused by a proliferation of ...
Article Author: Thomas N. Helm, MD Publish date: October 4, 2013
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 rea...
Article Author: Thomas N. Helm, MD Publish date: April 1, 2013
The patient, who had a squamous cell carcinoma, underwent Mohs surgery and has done well.
Article Author: Thomas N. Helm, MD Publish date: January 1, 1990
AbstractAn immunocompromised patient presented with chronic low back pain as the initial symptom and a subcutaneous abscess as the initial sign of ...
