Clear Cell Carcinoma of the Cervix with OHVIRA Syndrome: A Rare Case Report

A report describes a case of a 52-year-old nulligravida woman who complained of intermittent vaginal spotting for 1 month, 2 years after menopause. She denied a history of smoking or medical diseases. She had no history of in-utero diethylstilbestrol (DES) exposure. Her family history contained an uncle who died of gastric cancer. She reported a cervical smear examination 11 months ago which was unremarkable. 

Her Speculum examination was carried out that showed a single cervix along with a 2-cm mass on the cervix, which directed macrocarcinoma of the cervix. No parametrial or vaginal involvement was found. A biopsy taken from the tumor on the uterine cervix revealed CCC, comprising of atypical cells displaying enlarged nuclei with prominent nucleoli and clear-to-eosinophilic cytoplasm; the cells also displayed papillary structures with a hobnail-like appearance. Immunohistochemical staining demonstrated tumor cells to be positive for HNF-1β and napsin A. A negative Laboratory data was obtained concerning the patient’s squamous cell carcinoma antigens, carbohydrate antigen (CA) 125 levels, and CA19-9 levels. 

Magnetic resonance imaging (MRI) of her pelvis demonstrated uterine didelphys and a mass measuring 1.5 × 2.0 cm located in the left endocervix not invading the parametria, adjacent organs, or regional lymph nodes. Also, a left-sided obstructed hemivagina was observed. 

No evidence of lymph node metastasis or distant metastasis was observed in an enhanced computed tomography (CT) scan of the chest and abdomen, however, left renal agenesis was observed.

Concerning the findings of left renal agenesis, uterine didelphys, and obstructive hemivagina, she was diagnosed with OHVIRA syndrome and CCC of the cervix and classified as International Federation of Gynecology and Obstetrics stage IB1.

An abdominal radical hysterectomy was performed, including bilateral salpingo-oophorectomy and dissection of the bilateral pelvic lymph nodes. During the surgery, obvious effusion or metastasis was not observed in the abdominal cavity. Two corpora of the uterus were observed in her pelvis. Her left ureter led to the left cervix, and the renal side of the left ureter ended at the bifurcation of the common iliac vessels; thus, her left ureter was ectopic ureter, which was resected along with her left cervix and vaginal wall. 

A macroscopic examination of the excised specimens revealed the presence of two cervixes, two corpora of the uterus, and a tumor measuring 1.0 × 2.0 cm on the left cervix. Her left ectopic ureter was guided to the left cervix and opened in the endometrium.

She got discharged postoperative day 10 after an uneventful recovery. Following surgery, she received no treatment and had no evidence of disease 12 months after therapy completion. Her postoperative course was uneventful. 

Postoperative histopathology demonstrated uterine cervical CCC, without invasion of the uterine wall or lymph vessel and negative surgical margins. No metastatic lymph nodes on the 22 lymph nodes or invasion of the parametrium were observed, prompting a tumor-node metastasis classification of pT1b1N0M0. The histopathological findings demonstrated papillary growth and a tubulo-cystic growth pattern, which revealed CCC. Immunohistochemical staining displayed tumor cells to be positive for napsin A and HNF-1β, excluding block positivity of p16. Also, the loss of PAX2 expression, retained ARID1A and PTEN expression, and wild-type pattern of p53 staining was observed.

SOURCE- Tanase Y, Yoshida H, Naka T, et al. Clear Cell Carcinoma of the Cervix With OHVIRA Syndrome: A Rare Case Report. World J Oncol. 2021;12(1):34-38. doi:10.14740/wjon1362

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