Kaposiform hemangioendothelioma (KHE) is a rare, locally invasive vascular tumour of childhood that may occur in soft tissue or bones, and is associated with cutaneous plaques and Kasabach-Merritt phenomenon (KMP). We present an instance of a 9-year-old girl with primary vertebral involvement of KHE, whose clinical presentation was with painless, progressive scoliosis alone, sans cutaneous markers. We highlight the imaging features of this rare manifestation and importance of histopathological diagnosis for optimal management.
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http://dx.doi.org/10.1016/j.jcot.2023.102147 | DOI Listing |
J Med Case Rep
December 2024
Department of Surgery, Aga Khan University, Karachi, Pakistan.
Background: Kaposiform hemangioendothelioma is a rare vascular tumor primarily occurring in infants and children. The most common sites for kaposiform hemangioendothelioma are extremities, with very few cases of abdominal kaposiform hemangioendothelioma reported in neonates. Making a diagnosis of Kaposiform hemangioendothelioma can be challenging when the patient presents with generalized symptoms such as bilious vomiting and constipation that can be attributed to other more common causes of intestinal obstruction.
View Article and Find Full Text PDFHematology Am Soc Hematol Educ Program
December 2024
Pediatric Hematology-Oncology, University of Arkansas for Medical Sciences, Little Rock, AR.
The role of the hematologist in the management of vascular anomalies is evolving. Several vascular tumors and malformations are associated with complex coagulation derangements. Kaposiform hemangioendothelioma or tufted angiomas may present with a consumptive coagulopathy known as the Kasabach-Merritt phenomenon (KMP).
View Article and Find Full Text PDFHistopathology
December 2024
Department of Pathology, Boston Children's Hospital, and Harvard Medical School, Boston, Massachusetts, USA.
Am J Cancer Res
October 2024
Department of Ultrasound, Henan Provincial People's Hospital, Zhengzhou University People's Hospital Zhengzhou 450003, Henan, China.
Kaposiform hemangioendothelioma (KHE) is a rare neoplasm of the newborn, but has a very high mortality rate. In this study, we explore the application value of ultrasound radiomics in the differential diagnosis of KHE so as to provide reference for early diagnosis of KHE. We selected 194 cases of children with suspected KHE admitted to Henan Provincial People's Hospital from March 2016 to April 2024 for this retrospective analysis.
View Article and Find Full Text PDFPediatr Dermatol
November 2024
University of California San Diego School of Medicine, La Jolla, California, USA.
Kaposiform hemangioendothelioma (KHE) is a vascular neoplasm characterized by abnormal angiogenesis and lymphangiogenesis. Here, we present a case of a 19-month-old male with KHE of the right leg with bony involvement who was initially misdiagnosed with infantile hemangioma. Due to its heterogeneous presentation and frequent occurrence of comorbidities such as Kasabach-Merritt phenomenon, clinical and pathological correlation is essential for diagnosis of KHE.
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