Radiology Finding of Endometriosis Malignant Transformation into Ovarian Clear Cell Carcinoma: A Rare Case

Astri Soetanto, Lies Mardiyana
In: Asian Journal of Health Research · 2024 · vol. 3(3) , pp. 244–248 · doi:10.55561/ajhr.v3i3.184 · W4405610208
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This case report details a 42-year-old female where CT findings of a cystic mass with solid components and contrast enhancement led to a diagnosis of clear cell ovarian carcinoma, confirming endometriosis as a rare precursor.

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This case report describes a 42-year-old female presenting with abdominal pain and distention, who underwent multidetector computed tomography imaging that revealed a large cystic mass with solid components and irregular borders. Pathological examination confirmed the diagnosis of clear cell carcinoma in the left ovary, alongside an endometriotic cyst in the right ovary and external endometriosis in the omentum. The authors highlight that while endometriosis is a known risk factor for ovarian cancer, its malignant transformation into clear cell carcinoma is rare and requires careful radiological differentiation from other lesions. This paper is centrally about endometriosis — specifically the malignant transformation of endometriosis into ovarian clear cell carcinoma.

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Abstract

ABSTRACT Introduction: One of the risk factors for ovarian cancer is endometriosis. The most prevalent type of ovarian cancer linked to endometriosis is ovarian clear cell carcinoma. The CT scan examination helps identify the type of treatment for each mass lesion and distinguishes endometriomas from other lesions. Case Presentation: MSCT was done on a 42 years old female with abdominal pain and distention over a year; showed a cystic mass (16HU) with solid component (36HU) partly unclear borders, irregular edges, with dimensions ± 14.3 x 16.8 x 16.3 cm in the pelvic and abdominal cavity, impression originates from the adnexas, when administered contrast shows an increased enhancement in contrast (83HU), also found free fluid density(17HU) in abdominal cavity, suggestive malignant ovarian mass. A pathology anatomy examination was done and confirmed clear cell carcinoma of the left ovary, endometriotic cyst in the right ovary, and external endometriosis in the omentum. Conclusion: Endometriosis rarely develops into clear ovarian cell carcinoma; the preoperative characterization of an ovarian cyst and the CT appearance of ruptured endometriotic cysts are comparatively distinct from those of burst functional cysts.
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Keywords

Endometriosis, CT Scan, Ovarian Clear Cell CarcinomaAbstract

Abstract

Introduction: One of the risk factors for ovarian cancer is endometriosis. The most prevalent type of ovarian cancer linked to endometriosis is ovarian clear cell carcinoma. The CT scan examination helps identify the type of treatment for each mass lesion and distinguishes endometriomas from other lesions. Case Presentation: MSCT was done on a 42 years old female with abdominal pain and distention over a year; showed a cystic mass (16HU) with solid component (36HU) partly unclear borders, irregular edges, with dimensions ± 14.3 x 16.8 x 16.3 cm in the pelvic and abdominal cavity, impression originates from the adnexas, when administered contrast shows an increased enhancement in contrast (83HU), also found free fluid density(17HU) in abdominal cavity, suggestive malignant ovarian mass. A pathology anatomy examination was done and confirmed clear cell carcinoma of the left ovary, endometriotic cyst in the right ovary, and external endometriosis in the omentum.

Conclusion

Endometriosis rarely develops into clear ovarian cell carcinoma; the preoperative characterization of an ovarian cyst and the CT appearance of ruptured endometriotic cysts are comparatively distinct from those of burst functional cysts. Downloads Published Issue Section License Copyright (c) 2024 Astri Soetanto, Lies Mardiyana This work is licensed under a Creative Commons Attribution 4.0 International License.

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