Article
- Author:
- Matthew F. Helm, MD
Publish date: August 7, 2023
An 80-year-old man presented with a pigmented lesion on the left lateral thigh near the knee that had been gradually enlarging over several weeks. ...
Article
- Author:
- Matthew F. Helm, MD
Publish date: August 3, 2023
Dermatomyositis (DM) is associated with an increased risk for malignancy. Patient perspective needs to be considered in developing cancer screening...
Article
- Author:
- Matthew F. Helm, MD
Publish date: June 5, 2023
A neonate was born with extensive erosions and ulcerations on the trunk and extremities. The eroded areas had a beefy red appearance. A biopsy take...
Article
- Author:
- Matthew F. Helm, MD
Publish date: November 3, 2022
The irregular appearance of genital lentiginosis—multifocal, asymmetric, irregular, and darkly pigmented patches—often raises concern for melanoma ...
Article
- Author:
- Matthew F. 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:
- Matthew F. Helm, MD
Publish date: September 14, 2020
A 71-year-old man presented with an eruption on the face, shoulders, upper back, and arms of 3 weeks’ duration. A biopsy of an arm nodule rev...
Article
- Author:
- Matthew F. Helm, MD
Publish date: September 8, 2020
A 50-year-old man presented with a pruritic bullous dermatosis on the lower legs, arms, and back of 1 month’s duration. He had an 8-year history of...
Article
- Author:
- Matthew F. Helm, MD
Publish date: May 11, 2020
Erythema, skin thickening, and scales typify most cases, but other patterns exist. Tx choices may differ, depending on how much body surface area i...
Article
- Author:
- Matthew F. Helm, MD
Publish date: November 7, 2019
The location of the patient’s lesions and multiple risk factors suggested that an uncommon disorder was at work.
Article
- Author:
- Matthew F. Helm, MD
Publish date: May 8, 2019
The timing of the reaction in this case led us to the proper diagnosis.
Article
- Author:
- Matthew F. Helm, MD
Publish date: November 1, 2018
The discolored patch on our patient’s shoulder was nothing new—but when it grew in size and developed hypertrichosis, it prompted a closer investig...
