Results 171 to 180 of about 42,041 (231)

Squamoid Eccrine Ductal Carcinoma: Case Series of a Rare, Potentially Aggressive Skin Cancer Associated With Immunosuppression

open access: yesJournal of Cutaneous Pathology, EarlyView.
ABSTRACT Squamoid Eccrine Ductal Carcinoma (SEDC) is a rare cutaneous adenexal carcinoma first described in 1997. It has distinct biphasic features on histology which commonly result in misdiagnosis as Bowen disease or cutaneous squamous cell carcinomas (cSCC) if diagnostic skin biopsies are too superficial. This may lead to a delay in diagnosis. It is
Xiang Li Tan   +15 more
wiley   +1 more source

Merkel Cell Carcinoma With Divergent Differentiation—Or Something Else? A Triphasic Cutaneous Carcinoma With Lineage Plasticity

open access: yesJournal of Cutaneous Pathology, EarlyView.
ABSTRACT Merkel cell carcinoma (MCC) is a rare, aggressive cutaneous neuroendocrine carcinoma that typically arises in sun‐exposed skin of older or immunosuppressed patients. Combined or collision tumors involving MCC and other cutaneous malignancies are uncommon, and tumors exhibiting more than two distinct malignant phenotypes are exceptionally rare.
Zeinab Khalil   +2 more
wiley   +1 more source

Primary Nodal Poroid Hidradenocarcinoma With YAP1::NUTM1 Fusion: Report of a Rare Case

open access: yesJournal of Cutaneous Pathology, EarlyView.
ABSTRACT Poroid hidradenocarcinoma is a rare malignant sweat gland neoplasm. Although primary nodal hidradenoma has been reported, primary nodal poroid hidradenocarcinoma has not been described. We report a case of a 56‐year‐old man presenting with a nontender 5.5 cm mass within the axillary lymph node, and no identifiable primary cutaneous lesion on ...
Niloufar Hosseini   +5 more
wiley   +1 more source

Diagnostic Utility of the Milan System for Reporting Salivary Gland Cytopathology With Cytohistological Correlation

open access: yesCytopathology, EarlyView.
This retrospective study reviews 111 salivary gland fine‐needle aspiration cytology (FNAC) cases collected over an 11‐year period and reclassifies them according to the Milan System for Reporting Salivary Gland Cytopathology. Cytology‐histopathology correlation was performed for excision specimens, confirming the system's accuracy in distinguishing non‐
Shifa F. Khan   +4 more
wiley   +1 more source

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