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Case Report

Inguinal Lipoblastoma Mimicking Recurrent Inguinal Hernia

So Hyun Nam1, Yun-Jung Lim2, Yeon Mee Kim3
Journal of the Korean Association of Pediatric Surgeons 2014;20(2):58-61.
Published online: December 30, 2014

1Department of Surgery, Inje University Haeundae Paik Hospital, Busan, Korea.

2Department of Radiology, Inje University Haeundae Paik Hospital, Busan, Korea.

3Department of Pathology, Inje University Haeundae Paik Hospital, Busan, Korea.

Correspondence: So Hyun Nam, Department of Surgery, Inje University Haeundae Paik Hospital, 875, Haeun-daero, Haeundae-gu, Busan 612-896, Korea. Tel: +82-51-797-0260, Fax: +82-51-797-0276, namsh@paik.ac.kr
• Received: August 20, 2014   • Revised: September 9, 2014   • Accepted: September 19, 2014

Copyright © 2014 by the Korean Association of Pediatric Surgeons

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Palpable inguinal mass in children should be differentiated from inguinal hernia, hydrocele, lymph node, and tumor. Though using ultrasonography, fatty tumor would be misdiagnosed as incarcerated inguinal hernia containing fatty component. We experienced the huge inguinal lipoblastoma in 5-year-old girl mimicking recurrent incarcerated hernia. Laparoscopic exploration revealed it was not incarcerated hernia but well demarcated bulging mass from abdominal wall. Mass was about 10×4×3 cm and extended from internal inguinal ring to saphenous opening. It was near total excised because of right external iliac vein injury. Pathologically, it was proven as lipoblastoma containing mature adipocyte with lipoblast and fibrous septa. Postoperatively, we noticed a segmental thrombotic occlusion of external iliac vein. After 1 year, she has no symptom related to occluded vessel. The remained lipoblastoma showed no interval change. Even lipoblastoma has a good prognosis with low recurrence rate, we need careful follow-up.
  • Keywords: Lipoblastoma; Inguinal hernia

This paper was presented at the 30th Annual Meeting of the Korean Association of Pediatric Surgeons.

No potential conflict of interest relevant to this article was reported.

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Fig. 1
Ultrasonography showed abnormal echogenic fatty mass in the right inguinal fossa (3×1.3×4.3 cm) with minimal movement during Valsalvar's maneuver.
jkaps-20-58-g001.jpg
Fig. 2
Laparoscopic exploration showed well demarcated bulging mass from abdominal wall without connection of internal organ.
jkaps-20-58-g002.jpg
Fig. 3
Huge fatty mass encircled external iliac vein and femoral vein.
jkaps-20-58-g003.jpg
Fig. 4
CT showed a small lobulating contoured fatty mass like lesion in right inguinal area and nonenhancing right common femoral and external iliac vein with collateral.
jkaps-20-58-g004.jpg

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Inguinal Lipoblastoma Mimicking Recurrent Inguinal Hernia
J Korean Assoc Pediatr Surg. 2014;20(2):58-61.   Published online December 30, 2014
DOI: https://doi.org/10.13029/jkaps.2014.20.2.58
Download Citation

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Inguinal Lipoblastoma Mimicking Recurrent Inguinal Hernia
J Korean Assoc Pediatr Surg. 2014;20(2):58-61.   Published online December 30, 2014
DOI: https://doi.org/10.13029/jkaps.2014.20.2.58
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Inguinal Lipoblastoma Mimicking Recurrent Inguinal Hernia
Image Image Image Image
Fig. 1 Ultrasonography showed abnormal echogenic fatty mass in the right inguinal fossa (3×1.3×4.3 cm) with minimal movement during Valsalvar's maneuver.
Fig. 2 Laparoscopic exploration showed well demarcated bulging mass from abdominal wall without connection of internal organ.
Fig. 3 Huge fatty mass encircled external iliac vein and femoral vein.
Fig. 4 CT showed a small lobulating contoured fatty mass like lesion in right inguinal area and nonenhancing right common femoral and external iliac vein with collateral.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Inguinal Lipoblastoma Mimicking Recurrent Inguinal Hernia
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