PMC3665185_01
(a) USG in the transverse plane showing echogenic subcutaneous mass. (b) Gross photograph showing grey-white fibrous area with tiny cysts in the subcutaneous fat.
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fig1
Transvaginal and transabdominal ultrasound showed a 4 cm x 3 cm x 4 cm, oval-shaped heterogeneous mass within the right rectus abdominus muscle, with no abnormalities of the uterus and ovaries (Figure 1(a)).  The mass was undertaken through wide excision, and prosthetic mesh was used to close this defect in the rectus sheath (Figure 1(b)).
(a) Endometriotic glands and stroma in the subcutaneous tissue. ((b)-(c)) Dense chromatin nuclei with subnuclear vacuoles corresponding to early secretory phase. (Hematoxylineosin strain; original magnification: a, X20; b, X10; c, X40).
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fig2
Histopathology of the excised mass confirmed the case of scar endometriosis (Figure 2).