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[Retiform hemangioendotelioma in a 8-year-old girl--case report]
K Kajo1, K Macháleková, M Pauer
1Ustav patologickej anatómie Jesseniovej lekárskej fakulty a Martinskej fakultnej nemocnice, Martin.
Ceskoslovenska Patologie
|September 22, 2009
Summary
Retiform hemangioendothelioma (RHE) is a rare vascular tumor. This case study details an 8-year-old girl with RHE in her calf, highlighting its unique histological features.
Area of Science:
- Vascular Oncology
- Dermatopathology
- Pediatric Oncology
Background:
- Retiform hemangioendothelioma (RHE) is a rare vascular tumor of intermediate malignancy.
- RHE and Dabska tumor are classified as hobnail hemangioendotheliomas.
- Characterized by distinctive rete testis-like vascular structures.
Observation:
- Presents a case of an 8-year-old girl with RHE.
- The lesion was located in the right calf and measured 12 x 8 mm.
- Histological examination revealed a net of retiform vascular formations with prominent endothelial nuclei and intraluminal projections.
Findings:
- The tumor exhibited a characteristic retiform vascular pattern.
- Endothelial cells showed prominent nuclei.
- Intraluminal projections were noted within some vascular channels.
Implications:
- Highlights the importance of considering RHE in the differential diagnosis of vascular lesions.
- Emphasizes the need to differentiate RHE from other hobnail cell-containing vascular tumors, both benign and malignant.
- Contributes to the understanding of this rare vascular neoplasm in pediatric patients.