Journal of Cutaneous Pathology
Abstract Melanoma's rare capacity to undergo heterologous differentiation can create significant diagnostic challenges. The molecular mechanisms underlying this phenomenon are not well understood. We present an unusual case of subungual melanoma exhibiting extensive cartilaginous differentiation and provide insights into its molecular and cytogenomic...
Journal of Cutaneous Pathology, EarlyView.
Journal of Cutaneous Pathology, EarlyView.
Abstract Neurotrophic receptor tyrosine kinase (NTRK)-rearranged spindle cell neoplasms are a recently described group of soft tissue tumors. They commonly present as a painless mass on the extremities of children and young adults. They are characterized microscopically by a heterogeneous spectrum of infiltrative spindle cell proliferations, which...
Abstract Cytomegalovirus (CMV) infection is common and often self-limited. Reactivation results in a variety of disease presentations, especially in the setting of immunocompromise. While cutaneous manifestations of systemic CMV infection are rare, dermatologic manifestations of CMV are increasingly reported with a wide morphologic spectrum clinically....
Abstract Benign natural killer cell enteropathy (NKCE) was first identified in the gastrointestinal (GI) tract. Notably, instances of NKCE have previously been observed at various sites other than the GI tract, including the gallbladder, lymph nodes, esophagus, and female genital tract. Typical NKCE manifests as an NK-cell immunohistological phenotype,...
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