Intramuscular capillary-type hemangioma: Diagnosis, treatment, and outcomes. A French multicentric retrospective study of 66 cases

Pediatric intramuscular hemangioma in the submandibular triangle and other musculoskeletal presentations: A pediatric case series

BACKGROUND

Intramuscular hemangiomas (IMH) account for 0.8 % or less of all benign soft tissue tumors in the general population. Due to their uncommon nature, especially in the head and neck, they are often misdiagnosed and not included in the differential diagnosis.

METHODS

This study describes a case series of eleven pediatric patients with a diagnosis of IMH through a retrospective review of the electronic health records and archival records in the Department of Pathology at Children's Hospital of Colorado (CHCO).

RESULTS

The index case had a unique presentation in the submandibular triangle, while the remaining ten cases are appendicular and thoracolumbar in nature.

CONCLUSIONS

This case series contributes to the sparse scientific literature available regarding IMH, particularly in its head and neck presentation as relevant to otolaryngologists.

Management of a rapidly enlarging supraclavicular mass of unknown aetiology

Intramuscular haemangiomas are benign tumours showing an extremely rare occurrence and making up less than 1% of all haemangiomas. The goal of this case report is to share our experience in treating a patient with an extremely rare intramuscular haemangioma, which occurred in the supraclavicular region VB level of the neck and extended towards the infraclavicular space, localised within and inferior to the trapezius muscle. The lesion was diagnosed by using multimodal imaging and a wide excision was performed with intraoperative feeding vessel ligation and a good postoperative result. The main difficulties regarding diagnosis and treatment include a lack of evidence-based guidelines, due to limited publications on this topic, the nature of the lesion frequently showing obscure anatomic localisation deep within muscles and unclear delineation, various anatomic origin requiring an individual treatment approach, inconclusive radiologic signs as well as non-specific symptoms.