OBJECTIVE: To document a rare case of endometriosis in the soleus and gastrocnemius muscles. DESIGN: Case report. SETTING: Tertiary care center. PATIENT(S): A 30-year-old fertile woman presented with moderate dysmenorrhea associated with calf pain and bulging that had been gradually worsening over the last years, particularly during menses. A mass in the soleus and gastrocnemius muscles was identified in ultrasonography and magnetic resonance imaging. INTERVENTION(S): Endometriosis was diagnosed by incisional biopsy on the basis of histopathology, and wide excisional biopsy was performed. MAIN OUTCOME MEASURE(S): Unusual clinical presentation of endometriosis. RESULT(S): The patient was disease free for 2 months. Recurrence of the lesion was then diagnosed, and a new surgical approach was planned. CONCLUSION(S): Endometriosis in muscles is a rare event, and existing theories are not totally sufficient in explaining it.
OBJECTIVE: To document a rare case of endometriosis in the soleus and gastrocnemius muscles. DESIGN: Case report. SETTING: Tertiary care center. PATIENT(S): A 30-year-old fertile woman presented with moderate dysmenorrhea associated with calfpain and bulging that had been gradually worsening over the last years, particularly during menses. A mass in the soleus and gastrocnemius muscles was identified in ultrasonography and magnetic resonance imaging. INTERVENTION(S): Endometriosis was diagnosed by incisional biopsy on the basis of histopathology, and wide excisional biopsy was performed. MAIN OUTCOME MEASURE(S): Unusual clinical presentation of endometriosis. RESULT(S): The patient was disease free for 2 months. Recurrence of the lesion was then diagnosed, and a new surgical approach was planned. CONCLUSION(S): Endometriosis in muscles is a rare event, and existing theories are not totally sufficient in explaining it.