Urorectal septum malformation (URSM) sequence is an extremely uncommon anomaly. We report herein seven cases of URSM sequence that were identified after reviewing all autopsies conducted at our hospital over a period of 26 years (1981-2006). The URSM spectrum includes partial and full URSM sequences. Absent perineal and anal openings with ambiguous genitalia are included under 'full URSM sequence', and a single perineal or anal opening draining a common cloaca with an imperforate anus is called 'partial URSM sequence'. Of our seven cases of URSM, three were full URSM sequence and four were partial URSM sequence. Associated renal anomalies were found in all of the cases. Three cases had unilateral renal agenesis and one each had bilateral renal agenesis and bilateral renal dysplasia, respectively. The remaining two cases had unilateral renal agenesis with contralateral kidney showing features of cystic dysplastic kidney and renal hypoplasia, respectively. Congenital anomalies involving other organs were also found in some of the cases. The longest survival period in our series was 10 days, in accordance with the short survival period usually associated with URSM. Five of the patients were females, one was male, and the sex of one neonate could not be ascertained. One of the neonates was from a twin pregnancy; the other twin was normal.
Malignant insulinoma is very rare in children. Herein, we present a case of a child with malignant insulinoma along with islet cell hyperplasia. She initially presented with features of hyperinsulinemic hypoglycemia at 18 mo of age. Magnetic resonance imaging (MRI) of the abdomen showed a mass at the junction of the head and body of the pancreas. The tumor was enucleated. Five months later symptoms of hypoglycemia recurred. A subtotal pancreatectomy was performed. She continued to have hypoglycemia, although less frequently. She was put on increasing doses of diazoxide. Seven months later, MRI of the abdomen and a PET scan revealed metastatic deposits in the liver, which were confirmed by histopathology and immunostaining. To the best of our knowledge, this is the youngest child with metastatic insulinoma reported so far.
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