case_images: PMC10239761_01
case_images: Primary umbilical nodule of a 40-year-old patient, Aba Sena Primary Hospital, Western Ethiopia, 2023.
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case_images: On abdominal examination, there was 2cm by 1.5cm non-tender brownish umbilical nodule (Figure 1).
case_images: Histopathology of umbilical nodule showing benign endometrial tissue with skin overlying it.
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case_images: The surface epidermis of the umbilical nodule is lined by regular stratified squamous epithelium, and the underlying dermis contains nests of benign endometrial glands and stroma as well as hemosiderin pigments embedded in fibrous tissues suggesting endometriosis, according to fine needle aspiration cytology (FNAC) results (Figure 2).
case_images: Excised primary umbilical nodule from a 40-year-old patient, Aba Sena Primary Hospital, Western Ethiopia, 2023.
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case_images: A total abdominal hysterectomy and umbilical nodule excision (Figure 3) were performed under general anesthesia.