PMC10106789_01
Pelvic computed tomography (CT) results of the patient in Case 1 at the time of initial treatment and recurrence. (A) CT revealed a mass (13.0 cm x 6.0 cm x 3.8 cm) in the right adnexa (red arrow and yellow outline) on July 21, 2016. The boundary between the mass and uterus was clear. A liquid density shadow could be seen in the pelvic cavity. No enlarged lymph node shadow was found in the retroperitoneum or pelvic wall; (B) CT showed a nodule (3.2 cm x 3.2 cm) in the left inguinal region (red arrow and yellow outline) on June 31, 2022.
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Computed tomography (CT) evaluation showed a low-density tumor (13.0 cm x 6.0 cm x 3.8 cm) in the right adnexa (Figure 1A, red arrow). On June 31, 2020, CT revealed a nodule (3.2 cm x 3.2 cm) in the left inguinal region (Figure 1B, red arrow) during regular follow-up.
Gross tissue and pathological examination of the surgical samples from both sides. Two masses with irregular surfaces and slightly hard textures are shown (A). Hematoxylin-eosin (HE) staining confirmed that these specimens were tumor tissues, 20 x ((B), left side; (C), right side).
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The right-sided masses were fused into one mass, similar in appearance to the mass on the left (Figure 2A). The postoperative histopathologic examination revealed poorly differentiated adenocarcinoma, which was consistent with the recurrence of ovarian cancer (Figure 2B and C).
PMC10106789_02
Imaging results of the patient in Case 2. (A) Ultrasound showed subcutaneous mass in the abdominal wall (4.1 cm x 2.2 cm) on May 21, 2020 (red arrow and yellow outline); (B) CT indicted abnormal enhanced nodule of right rectus abdominis (3.1 cm x 2.3 cm) on July 22, 2020 (red arrow and yellow outline).
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Color Doppler ultrasound examination on May 21, 2020, showed that the solid mass (4.6 cm x 2.2 cm x 4.0 cm) was still growing (Figure 3A). CT on July 22, 2020, revealed an abnormal nodule (3.1 cm x 2.3 cm) in the right rectus abdominis (Figure 3B), with the supplying artery to the mass originating from the right external iliac artery.
Intraoperative photograph of abdominal wall lesions and HE staining. (A) the gross mass in the abdominal wall had a hard texture. (B) sectioning the mass confirmed that it was yellow solid tissue. (C and D) HE staining confirmed that these specimens were tumor tissues (C, 20 x; D, 100x).
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A hard mass with clear boundaries measuring approximately 5 cm x 5 cm was found in the rectus abdominis during the operation (Figure 4A and B). The postoperative pathological examination showed that the abdominal wall mass was an endometrial adenocarcinoma metastasis (Figure 4C and D).