atypical lipoma

a·typ·i·cal li·po·ma

lipoma, occurring primarily in older men on the posterior neck, shoulders, and back, which is benign but microscopically atypical, containing giant cells with multiple overlapping nuclei forming a circle.
Synonym(s): pleomorphic lipoma

atypical lipomatous tumour

A well-circumscribed, low-grade malignancy which arises in deep soft tissue of extremities, retroperitoneum, and groin, for which the term “well-differentiated liposarcoma” is increasingly preferred. As a general rule, the deeper the tumour, the more likely it is to recur.
Management Complete excision is curative.

a·typ·i·cal li·po·ma

(ā-tip'i-kăl li-pō'mă)
Lesion, occurring primarily in older men on the posterior neck, shoulders, and back, which is benign but microscopically atypical, containing giant cells with multiple overlapping nuclei forming a circle.
Synonym(s): pleomorphic lipoma.

a·typ·i·cal li·po·ma

(ā-tip'i-kăl li-pō'mă)
Lesion, occurring primarily in older men on the posterior neck, shoulders, and back, which is benign but microscopically atypical, containing giant cells with multiple overlapping nuclei forming a circle.
Synonym(s): pleomorphic lipoma.
References in periodicals archive ?
The lesion was resected under the presumed diagnosis of low-grade liposarcoma or atypical lipoma.
The low- and intermediate-grade tumors, displaying extensive gross fat or myxoid material, are atypical lipomas and myxoid subtypes.

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