Elastofibroma Dorsi is a benign soft tissue tumor, that is rare; commonly located in the scapula, and found more frequently presented in women.Its etiology is unknown, but is mostly associated to the result of mechanical friction between two musculoskeletal surfaces.It is frequently manifestated as an asymptomatic mass, with variable size and location.Its diagnosis is clinical, however there are numerous diagnostic aids, of which the most relevant is magnetic resonance for its ability to characterize the lesion.The differential diagnoses are lipoma, liposarcoma, sarcoma, hemangioma, desmoid tumor and osteosarcoma.Its definite treatment is surgical resection.