Korean J Pediatr.  2014 Nov;57(11):500-504. 10.3345/kjp.2014.57.11.500.

Multifocal kaposiform hemangioendothelioma of soft tissue with bilateral pulmonary involvement in an adolescent

Affiliations
  • 1Department of Pediatric Radiology, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
  • 2Pediatric Congenital Hematologic Disorders Research Center, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran. s.alavi@sbmu.ac.ir
  • 3Pediatric Pathology Research Center, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
  • 4Medical Imaging Center, Shafa Yahyaian Hospital, Tehran University of Medical Science, Tehran, Iran.

Abstract

Kaposiform hemangioendothelioma (KHE) is a rare, locally aggressive vascular tumor of intermediate malignancy with resemblance to Kaposi sarcoma. It occurs predominantly in pediatric age groups as a cutaneous lesion with focal infiltration into the adjacent soft tissue and bone. Although visceral involvement is very uncommon, several cases with bone, retroperitoneal, or mediastinal involvement have been described. KHE has been reported to occasionally occur in unusual sites such as the thymus, tonsils, larynx, paranasal sinuses, deltoid muscle, spleen, uterine cervix, thoracic spine, and even the breast. Multifocal KHE is an extremely rare entity with few reports available in the literature, none of which describes pulmonary involvement. Herein, we report a unique case of multifocal KHE in a 13-year-old boy presenting with a huge soft tissue mass in the upper extremity complicated by bilateral pulmonary nodules that developed into large, necrotic tumor masses.

Keyword

Kaposiform hemangioendothelioma; Bone; Pulmonary neoplasm; Multifocal; Adolescent

MeSH Terms

Adolescent*
Breast
Cervix Uteri
Deltoid Muscle
Female
Hemangioendothelioma*
Humans
Larynx
Lung Neoplasms
Male
Palatine Tonsil
Paranasal Sinuses
Sarcoma, Kaposi
Spine
Spleen
Thymus Gland
Upper Extremity
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