Abstract
ABSTRACTRetroperitoneal teratoma is a extragonadal germ cell tumor comprising 5% of all teratomas in children, and the third most common retroperitoneal neoplasm in children. This is a case report of a 2 years old girl who presented with abdominal distension and palpable mass. The imaging findings of the mass was characteristic of retroperitoneal teratoma which was confirmed by histopathology report following complete excision. Retroperitoneal tumor is an uncommon tumor in children with characteristic imaging findings. Computed tomography is mainly used to evaluate the extent of the disease. Most of the retroperitoneal tumors are benign and curable with complete surgical excision.
Highlights
Germ cell tumors (GCTs) are a heterogeneous group of tumors derived from one or more germ cell layers
The GCTs can be further subdivided into seminoma and nonseminomatous germ cell tumors
The imaging findings were characteristic of retroperitoneal teratoma which was later confirmed by histopathology report following resection
Summary
Germ cell tumors (GCTs) are a heterogeneous group of tumors derived from one or more germ cell layers. Computed tomography (CT) scan of whole abdomen showed a large fairly well-defined mixed density mass, consisting of predominantly fatty component with multiple loculated cystic lesions, thick coarse calcifications and soft tissue components measuring about 9.0x11.2 cm in the epigastric region. Retroperitoneal teratoma comprise of 3.5-4% of germ cell tumors in children[4] They mostly occur in children as seen our case report of a 2 years old girl which is compatible with prevalent epidemiology[5]. Plain abdominal X-ray may show calcification, like in our patient where there was a thick coarse calcification in the epigastric region of the abdomen, or formed bony components (considered pathognomonic). Infact Schey and Vesley suggested that presence of characteristic shard-like calcifications on plain abdominal X-ray should be adequate for tumor excision[6] Despite all these evidences, CT is performed in most of the patients.
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