A case series of tardive expansion congenital hemangioma: A variation of noninvoluting congenital hemangioma or a new hemangiomatous entity? - 20/03/20
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Abstract |
Background |
Congenital hemangiomas present fully grown at birth and share a remarkably similar lack of disproportionate or accelerated postnatal proliferation.
Objective |
We report a series of unusual congenital hemangiomas that arise prenatally and initially exhibit a proportional growth pattern similar to that of noninvoluting congenital hemangioma. However, a tardive expansion of the lesion, similar to the proliferation phase of infantile hemangioma, occurs later during childhood.
Methods |
A total of 11 unusual congenital hemangiomas were reviewed in regard to clinical presentation, imaging, and pathologic characteristics.
Results |
The infants included 9 boys and 2 girls. The tumors were located in the head and neck (n=10) and abdominal wall (n=1). Spontaneous expansion began at the age of 12 months to 61 months, as determined from clinic notes and paired follow-up photographs. Uniform parenchymal masses and fast-flow vessels were confirmed by imaging examination. There are both histopathological overlap and distinction between these lesions and other congenital hemangiomas.
Limitations |
Only a small number of cases were identified.
Conclusion |
We propose that these lesions be denominated “tardive expansion congenital hemangioma (TECH)” to indicate their specific clinical and histological distinctiveness. Recognition of these distinct lesions will contribute to a better understanding of congenital hemangiomas.
Le texte complet de cet article est disponible en PDF.Key words : noninvoluting congenital hemangioma, rapidly involuting congenital hemangioma, tardive expansion congenital hemangioma, vascular tumors
Abbreviations used : CH, IH, NICH, PICH, RICH, TECH
Plan
Drs Hua and Wang are cofirst authors. |
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Funding sources: None. |
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Conflicts of interest: None disclosed. |
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IRB approval status: Reviewed and approved by the Shanghai Ninth People's Hospital IRB (no. 2014-08). |
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