A man in his 50s with a 10-year history of Crohn disease had intermittent bowel obstructions leading to total proctocolectomy and ileostomy, and 5 weeks after surgery he developed a painful, erosive lesion around his stoma on the anterior abdominal…
This case report describes a woman in her 70s with an erythematous plaque with superficial erosion, focal white scale, and surrounding hyperpigmentation located circumferentially around the anus and extending anteriorly to involve the perineum.
This case report describes sparse, unruly, fragile, and easily breakable hair, with patchy alopecia with diffuse follicular papules throughout the scalp as well as short hair with an alternation of darker elliptical nodes, with paler nonmedullated paler internodes giving a…
A man in his 30s presented with a painful ulcer on the ventral aspect of the penile shaft that had appeared 3 months before. Physical examination disclosed discrete penile swelling with an indurated yellowish plaque diffusely involving the ventral surface….
Importance There is poor accuracy and reproducibility for the histopathologic diagnosis of melanocytic skin lesions, and the provision of clinical information may improve this. Objective To examine the impact of clinical information on the histopathologic diagnosis of melanocytic skin lesions. Evidence Review PubMed,…
This case report describes nontender, soft, and mobile tissue proliferations involving the anterior, lateral, and posterior neck spaces and diffuse, nonencapsulated soft tissue masses that were widely distributed across superficial and deep fascial spaces.
Importance The results of small studies suggest that off-label use of low-dose oral minoxidil (LDOM) may be safe and effective for patients with hair loss, but larger trials and standardized guidelines are lacking. Objective To create an expert consensus statement for LDOM…
A man in his 40s presented with a dry erythematous, annular plaque with focal erosion and a collarette of desquamative, honey-colored crusting on the scrotum. What is your diagnosis?
This case report describes a teenage girl with glistening hair and was found to have alternating dark and light bands within the hair shafts on trichoscopic evaluation.
A man in his early 50s presented to autoimmune dermatology clinic for 3 years of periarticular nodules on his fingers that were painful with manipulation or minor trauma and symmetric polyarthralgia. What is your diagnosis?
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