A. Neil Crowson
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View article: Olaparib-induced pseudoporphyria in a patient with ovarian cancer
Olaparib-induced pseudoporphyria in a patient with ovarian cancer Open
Pseudoporphyria is a rare and poorly understood bullous photodermatosis associated with certain phototoxic medications, UV radiation, hemodialysis, and indoor tanning bed use. Although pseudoporphyria closely resembles porphyria cutanea ta…
View article: The skin as a critical window in unveiling the pathophysiologic principles of COVID-19
The skin as a critical window in unveiling the pathophysiologic principles of COVID-19 Open
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiologic agent of coronavirus disease 2019 (COVID-19), is a single-stranded RNA virus whose sequence is known. COVID-19 is associated with a heterogeneous clinical phenotyp…
View article: Targetoid lesions in a patient with systemic lupus erythematosus
Targetoid lesions in a patient with systemic lupus erythematosus Open
Rowell Syndrome is a rare presentation of lupus erythematosus manifesting as an eruption of erythema multiforme-like papules and plaques with immunological findings of positive rheumatoid factor, speckled antinuclear antibodies, and/or ant…
View article: The differing pathophysiologies that underlie COVID‐19‐associated perniosis and thrombotic retiform purpura: a case series
The differing pathophysiologies that underlie COVID‐19‐associated perniosis and thrombotic retiform purpura: a case series Open
COVID-19-associated perniosis represents a virally triggered exaggerated immune reaction with significant type I interferon signaling. This is important to SARS-CoV-2 eradication and has implications in regards to a more generalized highly…
View article: Follicular psoriasis: a report of 5 cases and review of the literature, likely an under-recognized yet distinctive variant of psoriasis
Follicular psoriasis: a report of 5 cases and review of the literature, likely an under-recognized yet distinctive variant of psoriasis Open
Psoriasis is a common autoimmune dermatosis representing an interplay between certain genetic predisposing factors along with clonally restricted Th1 T cells responding to epidermal keratinocyte derived antigen. A unique IL17/IL23 cytokine…
View article: Histopathology of Sabra Dermatitis: A Case Report
Histopathology of Sabra Dermatitis: A Case Report Open
Sabra dermatitis (SD) is a type of irritant contact dermatitis, namely, the inculcation of glochids from prickly pear cactus (Sabra), which is mostly seen in Israel among pickers and vendors who handle the fruit of Opuntia and in the south…
View article: Biopsy Interpretation of the Skin: Primary Non-Lymphoid Cutaneous Neoplasia
Biopsy Interpretation of the Skin: Primary Non-Lymphoid Cutaneous Neoplasia Open
1: How and When to Biopsy the Skin 2: Benign Melanocytic Proliferations and Precursor Lesions to Melanoma 3: Melanoma: Classic Subtypes 4: Melanoma: Histological and Phenotypic Variants 5: Prognosticators of Melanoma, the Melanoma Report, …
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associated post-transplant, 419 immune suppression, 474