Acute Onset Linear Lichen Planus Pigmentosus of the Forehead: A Case Series
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INTRODUCTION
Linear lichen planus pigmentosus (LPP) of the face is a rare acquired variant of lichen planus, with only a few cases published in the literature.1 It is an inflammatory condition with unknown etiology, characterized by blue-gray hyperpigmented macules, and tends to affect sun-exposed areas of the head and neck.1-4 The pathophysiology of linear LPP is poorly understood, though …
INTRODUCTION
Linear lichen planus pigmentosus (LPP) of the face is a rare acquired variant of lichen planus, with only a few cases published in the literature.1 It is an inflammatory condition with unknown etiology, characterized by blue-gray hyperpigmented macules, and tends to affect sun-exposed areas of the head and neck.1-4 The pathophysiology of linear LPP is poorly understood, though … Continue reading "Acute Onset Linear Lichen Planus Pigmentosus of the Forehead: A Case Series"
Malignant proliferating trichilemmal tumors are rare adnexal neoplasms that most commonly occur on the scalp in elderly women. These tumors are associated with recurrence and even nodal or distant metastatic spread. Here, JDD authors describe a 38-year-old patient who presented with a scalp nodule that was diagnosed as a high-grade malignant proliferating trichilemmal tumor.
Introduction
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CASE REPORT
A 71-year-old Fitzpatrick phototype IV man with a history of hyperlipidemia and extensive travel to the Middle East presented with a mildly painful vegetative growth on his right lower leg for 1.5 months (Figure 1). In 2014, the patient reported a pruritic “rash” in the same location, which was treated with fluocinonide .05% ointment with resolution.
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