Cutaneous Mixed Tumor (Chondroid Syringoma)



Cutaneous Mixed Tumor (Chondroid Syringoma)


Senait W. Dyson, MD

David Cassarino, MD, PhD










On low magnification, a well-circumscribed tumor composed of epithelial islands image with easily identifiable ductal structures embedded in myxoid image and hyaline image stroma is seen.






Ductal structures image with some foci of decapitation secretion image are present in the epithelial component.


TERMINOLOGY


Abbreviations



  • Cutaneous mixed tumor (CMT)


Synonyms



  • Apocrine mixed tumor


  • Eccrine mixed tumor


  • Mixed tumor of folliculosebaceous-apocrine complex


Definitions



  • Well-circumscribed benign epithelial tumor in chondromyxoid matrix


CLINICAL ISSUES


Epidemiology



  • Incidence



    • Rare


  • Age



    • Middle-aged to elderly


  • Gender



    • Male predominance


  • Ethnicity



    • No ethnic predilection


Site



  • Head and neck sites are most common


  • Extremities and trunk


Presentation



  • Skin-colored, asymptomatic, dermal to subcutaneous tumors


Natural History



  • Slow growth


Treatment



  • Surgical excision


Prognosis



  • Excellent



    • Very rare malignant transformation


MACROSCOPIC FEATURES


Size



  • 0.5-3.0 cm


Sections to Be Submitted



  • Representative sections of grossly different-appearing areas should be submitted

Jul 8, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Cutaneous Mixed Tumor (Chondroid Syringoma)
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