An 11-year-old white girl with a history of previous health problems.
When you notice your parents an increase in abdominal volume for about 12 days, accompanied by weight loss and lack of appetite.
On physical examination the mucous membranes are pale and there is a mass in the right abdominal flank of 8-10cm, with defined edges, firm consistency and not painful, passing the abdominal midline shows a hemoglobin level of 130mg.
The chest X-ray is normal, as well as the bone survey. In the plain abdominal X-ray we detected calcifications in the tumor. In the VU, the kidneys are slightly normal in size, good bilateral renal elimination e.g., no dilation of right renal mass was observed.
Surgical treatment was decided with the preoperative diagnosis of Neuroblastoma, previous blood transfusion replacement.
During surgery, several tumors were observed in the meso of the transverse colon, larger than 7cm, which were resected and completely removed.
Macroscopic examination of the specimen revealed a whitish-like tumor, apparently well-defined, with a firm consistency and round-shaped appearance, with focal calcifications.
The microscopic study showed that the intestinal tumor consisted of fibroblastic cells, with characteristics in some areas similar to those of muscle fibromatosis, histopathological proliferation of foci of calcification and necrosis, being
