Soft Tissue Tumors

Lipoma

Introduction most common benign soft tissue tumor in adults soft, well-encapsulated fat tumor Differential diagnosis ganglion cysts synovial herniation over underlying tendon sheath or joint  dorsal wrist commonly affected, but volar wrist can also be affected asymptomatic, painless transilluminates with light distinguishes ganglion cysts from solid masses such as lipomas Treatment simple excision typically curative

Liposarcoma

Introduction most common malignant soft tissue tumor in adults malignant fat tumor that can be large Evaluation  lipoblast is the characteristic cell Treatment will recur without full excision

Rhabdomyoma

Introduction benign tumor derived from striated muscle (skeletal or cardiac) most common cardiac tumor in children  associated conditions tuberous sclerosis  specifically rhabdomyoma of the heart

Rhabdomyosarcoma

Introduction most common malignant soft tissue tumor of childhood arises from skeletal muscle typically involves head/neck, vagina Evaluation rhabdomyoblast is characteristic cell desmin positive stains

 

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