Struma ovarii (SO) is a slow-growing ovarian neoplasm with thyroid tissue as its predominant component. It is an uncommon neoplasm, usually asymptomatic with an unknown risk of malignant transformation. Due to difficulties in assessing the rare biological nature and the discrepancies in the reported cases, a consensus on the appropriate treatment has not been definitively reached.A 50-year-old female was subjected to upper gut endoscopy which showed a 30-mm mass located in the gastric antrum, suggestive of mesenchimal tumor. Incidentally, a pelvic CT scan also documented a solid mass in the right adnexa, with morphological characteristics of ovarian neoplasm. The patient underwent gastrectomy, total hysterectomy, bilateral salpingo-oophorectomy with lymph node dissection, and omentectomy. Histology documented the presence of gastric cavernous angioma, and, in the right adnexa, foci of follicular thyroid-type carcinoma arising in SO with a well-differentiated neuroendocrine component.Here we report and discuss the clinical and morphological presentation of follicular thyroid-type carcinoma arising in SO. The neoplasm was discovered incidentally and had a favorable clinical outcome at 1-year follow-up.
Portal pneumatosis is a rare diagnostic factor, which is often associated with ischemic intestinal accidents. It has been associated with a negative prognosis for a very long time, and the presence of portal pneumatosis is usually an indication for the need to perform a laparotomy. A 68-year-old male patient with diabetes, obstructive lung disease, and a previous cerebral stroke associated with left hemiplegia presented with abdominal pain, fever and neutrophil leukocytosis. Computed tomography (CT) scan showed the presence of portal pneumatosis with signs of acute cholecystitis and remarkable gastrectasia. In consideration of the serious clinical picture, the patient first underwent esophagogastroduodenal endoscopy (EGDS), which showed ulcerative hemorrhagic gastritis. He then underwent a laparoscopic cholecystectomy. The histology results confirmed the intraoperative diagnosis of gangrenous cholecystitis. The patient was discharged on the 7th postoperative day. With the use of new diagnostic techniques, especially CT, the incidence of portal pneumatosis has increased and consequently the clinical approach of surgeons to this pathology is also changing. Indeed, when portal pneumatosis is not associated with intestinal ischemia, the therapeutic approach must be guided by the clinical condition of the patient and by the investigation of the causes of this pathology. The laparoscopic approach can be extremely useful either in the diagnosis (if this has not been achieved by noninvasive means) or in treatment, if possible, of the causes implicated by the portal pneumatosis.
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