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Vascular Tumor with Kasabach Merritt Phenomenon Treated with Steroids and Vincristine: A Retrospective Study.

Pulkit AgarwalSanjeev KheraSubhash Chandra ShawSandeep Dhingra
Published in: Indian journal of hematology & blood transfusion : an official journal of Indian Society of Hematology and Blood Transfusion (2023)
Vascular tumours (VT) with Kasabach-Merritt phenomenon (KMP) are rare and aggressive tumors. In absence of evidence based treatment guidelines, we studied varied presentation and response to therapy with vincristine and steroids in VT with KMP at our center. In this retrospective observational study, infants with a symptomatic/disfiguring rapidly growing VT with features of KMP were included. Demographic, treatment and outcome data was retrieved from patient file. Complete response (CR) was defined as complete clinical regression of VT with normalization of coagulopathy and thrombocytopenia. Partial response (PR) was defined as decrease in size of VT by more than 80%, absence of clinical bleed with normalization of coagulopathy and platelet count > 50,000/cumm. Five infants (2-male, 3-female) with age range (0-7 month) treated with daily prednisolone and weekly vincristine were included. The location of VT was: face (2), hemi-thorax (2) and urinary bladder (1). Four of five infants showed PR within two months; while two of these attained CR to treatment. There were no significant adverse effects over 9-32 (range) month follow-up. Two children (one in PR, one immediately after presentation) succumbed to intra-cranial hemorrhage. Combination therapy of steroids with vincristine is effective and safe in management of VT with KMP.
Keyphrases
  • combination therapy
  • case report
  • young adults
  • clinical practice
  • data analysis
  • big data