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Open Access Case report

Unusual presentation of angiomyomatous hamartoma in an eight-month-old infant: case report and literature review

Vincenzo Davide Catania1, Carlo Manzoni1, Mariangela Novello2, Libero Lauriola2* and Antonella Coli2

Author Affiliations

1 Department of Pediatric Surgery, Catholic University of Sacred Heart, Largo A.Gemelli 8, Rome, 00168, Italy

2 Department of Anatomic Pathology, Catholic University of Sacred Heart, Largo A. Gemelli 8, Rome, 00168, Italy

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BMC Pediatrics 2012, 12:172  doi:10.1186/1471-2431-12-172

Published: 6 November 2012

Abstract

Background

Evaluation of palpable neck masses may be a diagnostic problem in pediatric patients, with differential diagnosis including congenital, inflammatory, tumoral and traumatic lesions. Ultrasonography is usually a satisfactory method to make a correct pre-operative evaluation of neck masses, although diagnosis is often challenging for the surgeon and the radiologist and sometimes only possible after a histopathological examination of the resected lesion.

Case presentation

We report an 8-month-old patient with a cervical, anterior midline mass. Ultrasonographic images showed features suggesting a partly cystic lesion, with a preoperative suspect of thyroglossal duct cyst. Histological examination, performed after surgical removal of the mass, led to a diagnosis of lymph node angiomyomatous hamartoma (AH).

Conclusions

AH, a rarely occurring benign lymph node lesion, has been reported in the neck lateral region only twice. This case, presenting as a palpable neck midline mass, is the first reported case occurring in infancy. Although rare, AH should be included in the differential diagnosis of head and neck masses.

Keywords:
Angiomyomatous hamartoma; Pediatric neck mass; Ultrasonography; Lymph node