Mucinous Adenocarcinoma Arising in a Mature Cystic Teratoma: A Rare Occurrence
V Marisa DSouza,
34, La Oceana Colony, Phase-2, Taleigao Plateau, Dona Paula, Goa, Panaji, India.
|Mature Cystic Teratomas (MCT) make-up almost 20% of all ovarian neoplasms. Emergence of a benign or malignant neoplasm with somatic type features is an uncommon event in MCT, occurring in approximately 2% of all cases. Malignancy associated with a MCT is rare and occurs in 1-2% cases. The most common malignancy associated with a MCT is a squamous cell carcinoma, which occurs in 75% of cases, while adenocarcinoma arising from MCT is rare, with an incidence of just 7%. This article presents a case of Mucinous adenocarcinoma, arising in a MCT in a 39-year-old female patient who presented with severe abdominal pain and vomiting. Following a diagnostic laparoscopy, which revealed 1 litre turbid ascitic fluid and evidence of a ruptured large left ovarian cyst, a provisional diagnosis of left ovarian tumour was made. Emergency laparotomy was performed and the specimen of left salpingo-ovariotomy, on histopathological examination, revealed grossly, a cystic ovarian mass with solid areas on the inner cyst wall. The microscopic picture showed a Mucinous adenocarcinoma arising in a MCT.|
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