chondroid syringoma


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chon·droid sy·rin·go·ma

a benign tumor of sweat glands with a mucoid stroma showing cartilaginous metaplasia.
Synonym(s): mixed tumor of skin

chondroid syringoma

An uncommon, benign, 0.5- to 3.0-cm skin tumour of the head and neck which affects patients above age 40, and recapitulates the histologic features of mixed tumour of the salivary gland.
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Chondroid syringoma mostly occurs in the head and neck region (6,7,8) similar to our study and histologically shows tubules and cords of cuboidal epithelial cells embedded in an abundant chondromyxoid stroma.
Chondroid syringoma name was given by Hirsch and Helwig,1 due to the presence of sweat gland elements within a cartilaginous stroma.
Chondroid syringoma mixed tumour of skin most often occurs as solitary slowly growing nodule.
Fulminant metastasizing chondroid syringoma of the skin.
No reports providing the MRI characteristics of benign chondroid syringoma were found in our search of literature, but the MRI appearance of a malignant chondroid syringoma has been described.
A diagnosis of collision tumor of neurofibroma with chondroid syringoma was made.
In this paper, we report a rare case of a giant chondroid syringoma located over right mandible of an 80-year-old male patient.
On the basis of pathologic findings, the differential diagnoses include eccrine adenocarcinoma not otherwise specified (NOS), porocarcinoma, apocrine carcinoma, malignant chondroid syringoma, and eccrine spiradenoma.
The differential diagnosis of AMF includes Bartholin's gland cyst, as in our case, smooth muscle tumors, peripheral nerve sheath tumors, glomus tumor, chondroid syringoma, myxoid malignant fibrous histiocytoma, angiomyolipoma, spindle cell lipoma and myxoid liposarcoma.
The main differential diagnoses for typical OFMT with bland round cells include epithelioid neurofibroma, epithelioid schwannoma, chondroid syringoma, myxoid chondrosarcoma, and other epithelioid and myxoid mesenchymal tumors.
Other tumors with eccrine differentiation are malignant cylindroma, malignant eccrine poroma, malignant eccrine spiradenoma, malignant nodular hidradenoma and malignant chondroid syringoma.