Background: Elastofibroma dorsi (ED) is a rare benign pseudotumor of soft tissues, previously considered among the rare benign tumors, however, a prevalence of 2.73% of ED has recently been reported in the population, in postmortem studies it was reported a prevalence of up to 25% in the group of older adults. Therapeutic management is excision in those symptomatic patients. Its diagnosis is confirmed by pathological study after the surgical procedure. Derived from its rare recurrence has an excellent prognosis. This is a 55-year-old male with no medical history of importance for the current condition, with no history of anorexia, weight loss or previous trauma, working as an orderly in a pants factory in the region for more than 10 years, who refers to a 4-year history of a subscapular mass causing mild pain and discomfort when moving the right upper limb. Keywords: Elastofibroma dorsi, soft tissues, latissimus dorsi.