Lipoblastoma - inguinal canal

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Left inguinal lump for the last few weeks. Clinical examination revealed a non-reducible lump.

Patient Data

Age: 5 months
Gender: Male
ultrasound

There is a well-defined, homogeneously echogenic lesion in the left inguinal canal; measuring about 40 x 23 x 20 mm. There is no internal calcification/cystic changes/vascularity. The lesion shows lobulation and mild compressibility. There is no inguinal hernia. Both testes are normal in location, size, and echopattern.

Mother noticed recurrence...

ultrasound

Mother noticed recurrence of Lt groin lump about 2 mth after surgery. US was done 4 mth after surgery.

There is a recurrence of the left inguinal mass which is morphologically similar to the preoperative lesion. It is a well-defined, homogeneously echogenic lesion in the left inguinal canal; measuring about 40 x 18 x 18 mm. There is no internal calcification/cystic changes/vascularity. There are lobulations and mild compressibility. There is no inguinal hernia. Both testes were normal in location, size, and echopattern.

Case Discussion

An infant presented with a left inguinal canal lump for the last few weeks. Ultrasound features suggested the inguinal canal lipoma

Surgical exploration revealed a lipoma in the inguinal canal. Later, histopathology revealed the lesion being a lipoblastoma. It is a rare benign tumor that can recur even after complete excision1.

The mother noticed small bulge at the operative site about 2 months after the surgery and gradually it increased in the size. Follow up ultrasound 4 months after the surgery shows recurrence of the lipoblastoma.

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