Dermatopathology

Photo Challenge

Nodule on the Neck

Author:

Malan Kern, MD

Kelsey Parks, BS

Henry K. Wong, MD, PhD

An 80-year-old man presented to our clinic with a large lesion on the right upper neck of approximately 4 weeks’ duration. He reported that it was...

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Original Research

Clinical Use of a Diagnostic Gene Expression Signature for Melanocytic Neoplasms

Author:

Jaime Tschen, MD

Paige Davies, MSc

Stephanie M. Meek, PhD

Loren E. Clarke, MD

A gene expression signature has been validated as an adjunct to traditional methods of differentiating malignant and benign melanocytic neoplasms...

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Photo Challenge

Dark Brown Hyperkeratotic Nodule on the Back

Author:

Amanda Kraus, MS

Ashley Elsensohn, MD, MPH

Nil Celebi Cherukuri, MD, PhD

William Tyler, MD

A 71-year-old woman presented with a persistent asymptomatic lesion on the right upper back that had recently increased in size and changed in...

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Dermpath Diagnosis

Tender, Diffuse, Edematous, and Erythematous Papules on the Face, Neck, Chest, and Extremities

Author:

Christine Schleich, MD

Tammie Ferringer, MD

A 62-year-old woman presented with a tender diffuse eruption of erythematous and edematous papules and plaques on the face, neck, chest, and...

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Photo Challenge

Asymptomatic Hemorrhagic Lesions in an Anemic Woman

Author:

Kavina Patel, BS

Zachary Gillooly, MD

Margaret Brown, MD

Robert T. Gilson, MD

A 67-year-old woman with a medical history of type 2 diabetes mellitus, unspecified leukocytosis, and anemia presented to the dermatology clinic...

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Case Letter

Isolated Perianal Erosive Lichen Planus: A Diagnostic Challenge

Author:

Marely Santiago, MD

Oscar Nevarez, MD

Leyre Falto-Aizpurua, MD

Nicole Candelario, MD

Francisco Colon-Fontanez, MD

Erosive lichen planus (LP) is an underrecognized variant of LP presenting with painful erosions, ulcerations, and scarring.

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Photo Challenge

Asymptomatic Discolored Lesions on the Groin

Author:

Nguyen Hoang, MD

Courtney Cook, DO

Malia Downing, MD

Jace Rickstrew, MD

Spyros Siscos, MD

Anand Rajpara, MD

A 45-year-old African American woman presented with an asymptomatic rash that had worsened over the month prior to presentation. It initially...

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Case Letter

Cutaneous Cholesterol Embolization to the Lower Trunk: An Underrecognized Presentation

Author:

Nooshin K. Brinster, MD

Mark Levy, MD

Farah Awadalla, MD

Cholesterol embolization may occur in proximal locations, and index of suspicion should be high in patients who are at risk.

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Dermpath Diagnosis

Progressive Telangiectatic Rash

Author:

Alexandra Ritter, BS

Madison E. Hannay, DO

Joni Mazza-McCrann, MD

Jessica A. Forcucci, MD

A 54-year-old woman presented with purple-red vessels on the lower legs of 15 years’ duration with gradual proximal progression to involve the...

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Clinical Review

Comparison of Shave and Punch Biopsy Utilization Among Dermatology Practices

Author:

Sheena Desai, BS

Andrew Creadore, BS

Lyn M. Duncan, MD

Christine G. Lian, MD

Mariko R. Yasuda, MD

Arash Mostaghimi, MD, MPA, MPH

John S. Barbieri, MD, MBA

Rebecca I. Hartman, MD, MPH

In 2019, the 2 Current Procedural Terminology (CPT) codes for skin biopsies were replaced with 6 new CPT codes to allow for...

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Photo Challenge

Hyperkeratotic Nummular Plaques on the Upper Trunk

Author:

Cathy M. Massoud, MD

Ansley DeVore, BS

Robert Bai, MD

Mark C. Mochel, MD

Julia R. Nunley, MD

A 48-year-old woman with a history of type 2 diabetes mellitus and nonalcoholic steatohepatitis presented with papules and plaques on the upper...

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