An uncommon case of metastatic myxofibrosarcoma presenting with elbow and hip masses
Myxofibrosarcoma frequently recurs locally but rarely metastasizes. Herein, we describe an elderly woman who had myxofibrosarcoma of the right elbow that went untreated during the COVID-19 pandemic. She subsequently presented with two large tumors ulcerating through the skin of her right elbow and left hip. (Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Erythema multiforme as a consequence of COVID-19 infection
This report demonstrates one of the first reported pediatric cases of typical clinical and histopathologic EM in relation to confirmed COVID-19. (Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Prurigo pigmentosa in a patient with newly diagnosed type one diabetes with diabetic ketoacidosis
Prurigo pigmentosa is a rare inflammatory cutaneous disorder associated with ketosis that resolves with reticulate hyperpigmentation. A 19-year-old man was admitted to the hospital with diabetic ketoacidosis. He also had developed reticulate papules coalescing into plaques over the posterior neck, back, and abdomen. Histopathological findings consistent with the clinical findings suggested the diagnosis of prurigo pigmentosa. After treatment with topical triamcinolone and oral doxycycline along with resolution of his ketosis after insulin administration, the patient's rash healed with reticulate hyperpigmentation. (Source:...
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Palbociclib-induced IgA vasculitis
(Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Sclerosing perineurioma: a rare benign tumor in a pediatric patient
A 15-year-old boy presented to outpatient dermatology clinic for evaluation of a lesion on the hand. Originally small and asymptomatic, the lesion had rapidly enlarged in the six months prior to evaluation. A shave biopsy was performed and histopathologic evaluation demonstrated a well-circumscribed nodular proliferation of dense, bland, epithelioid to spindle cells on a fibrillary background. Tumor cells were diffusely epithelial membrane antigen (EMA) positive; S100 and Melan-A were negative. These findings are consistent with a diagnosis of sclerosing perineurioma. This case illustrates the presentation of sclerosing pe...
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Position Title: Academic Pediatric Dermatologist
Position descriptionThe University of California, Davis, School of Medicine, Department of Dermatology, is recruiting for a pediatric dermatologist in the Clinical X series or Health Sciences Clinical Professor (HSCP) series at the Assistant/Associate Professor level based on experience and qualifications. Expectations of the Clinical X series are to engage in teaching, research, service, and clinical work, while expectations of the faculty in the HSCP series are primarily clinical and include teaching, service, and scholarly and/or creative activity. The appointments may be made up to 100%. (Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Reactive granulomatous dermatitis associated with ovarian cancer and a review of its role as a harbinger for malignancy
Reactive granulomatous dermatitis (RGD) is a rare dermatosis with a variety of cutaneous manifestations unified by a dermal granulomatous infiltrate on histology. Rheumatoid arthritis and autoimmune disease are classic associations, but an increasing number of cases have been attributed to covert malignancy. Only 41 cases of paraneoplastic RGD have been documented to our knowledge and we present an additional case that manifested eight months prior to the diagnosis of ovarian cancer and clinically mimicked morphea. Histopathologic examination identifying palisaded CD68+ cells and collagen degeneration are helpful in diagno...
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

An acute, ulcerative, sarcoidal tattoo reaction following SARS-CoV-2 mRNA-1273 vaccination
Two weeks after her first dose of the SARS-CoV-2 mRNA-1273 (Moderna) vaccine, a 38-year-old woman developed acute-onset pain and ulceration within a tattoo on the distal left leg. Progressive ulceration was noted approximately one week following her second dose of the vaccine. A biopsy revealed sarcoidal granulomas and a dense neutrophilic infiltrate. Ultimately, the final diagnosis of what we have termed a "sarcoidal reaction with a Sweet-like phenomenon" was made; the patient experienced a reduction in pain and re-epithelialization of the ulcers with two weeks of the use of topical clobetasol 0.05% cream twice daily. (So...
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

The effect of the COVID-19 pandemic on perceptions of teledermatology
This study aims to assess the pandemic's impact on people's willingness to use teledermatology as well as to investigate influencing factors. We recruited 544 participants through Amazon Mechanical Turk (MTurk) and surveyed them using REDCap. Participants' willingness to use teledermatology before, during, and after the COVID-19 pandemic was measured via a 5-point Likert scale. The survey also included questions regarding factors influencing participants' attitudes towards teledermatology and their sociodemographic characteristics. Of the 185 participants who reported unwillingness to use teledermatology prior to the COVID...
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Postauricular apocrine hidrocystoma: a case and dermoscopy review
We present a third case of a postauricular hidrocystoma in a 26-year-old woman, as well as a brief review of the dermoscopic findings of apocrine hidrocystomas in the existing literature. (Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Extranodal NK/T-cell lymphoma primarily presenting as two adjacent slowly growing skin nodules with prominent epidermotropism and CD30 expression, a case report and review of literature
We present a 54-year-old-man who initially presented with two ulcerations on the right lower leg which progressed despite antibiotic therapy. Histologic examination demonstrated dense lymphoid infiltrates exhibiting epidermotropism, angiocentricity and angioinvasion extending into the deep dermis. Immunohistochemical staining demonstrated expression of CD2, CD3, CD8, TIA-1, perforin, and granzyme-B, consistent with a cytotoxic... (Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Photodermatitis following knee intra-articular hylan G-F 20 injection for osteoarthritis: two cases
Hyaluronic acid (HA) intra-articular injections are increasingly used for the treatment of knee osteoarthritis. Described adverse reactions of HA intra-articular injections include injection site pain or swelling. A 71-year-old man and a 65-year-old woman independently presented with photodistributed lesions shortly after receiving a repeat HA injection (hylan G-F 20) intra-articularly. A punch biopsy was performed which was consistent with a photodrug reaction or hypersensitivity reaction. Two cases are presented to describe a novel presentation of a photosensitivity reaction to HA. (Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

A pearly nodule on an indurated plaque
We present an 81-year-old man who presented for evaluation of an indurated plaque with an exophytic, pearly, skin-red-brown colored nodule with central ulceration on his chest that evolved over the course of several months and was initially suspected to be basal cell carcinoma. Biopsy demonstrated histological features of dermal spindle cell proliferation in a storiform fashion with CD34 positivity confirming a diagnosis of dermatofibrosarcoma protuberans (DFSP). Dermatofibrosarcoma protuberans are rare, slowly progressive soft tissue sarcomas. The rate of DFSP is greatest among African Americans (8.3/1,000,000), occurring...
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Laugier-Hunziker syndrome: a case and dermoscopic features
Laugier-Hunziker syndrome (LHS) is a sporadic, acquired, and infrequent condition characterized by the onset of brown macules on the lips, the oral mucosa, and the acral glabrous skin (mainly fingers and toes) in middle-aged patients. In several cases melanonychia of fingernails and toenails coexists. No other systemic involvement is observed. A case of LHS in a 50-year-old woman is described, with particular attention to dermoscopic features. No dermoscopic specific findings of mucosal/cutaneous maculae have been to date described in the literature. Accumulation of dermoscopic observations of pigmented lesions in LHS is n...
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research

Cutaneous dystrophic calcification following high-dose radiotherapy for a liposarcoma
We describe the first reported case of radiotherapy-induced calcinosis cutis occurring at the site of a previous liposarcoma. Review of the literature including risk factors, similar cases, pathophysiology, and management is also explored. (Source: Dermatology Online Journal)
Source: Dermatology Online Journal - March 8, 2022 Category: Dermatology Source Type: research