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Kasabach-Merritt syndrome combined with hypercalcemia: A case report
Runying Zou1, Fang Peng1, Tian Yu1
1Department of Hematology and Oncology of Children's Medical Center, Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China.
Insights
This case report details the rare co-occurrence of Kasabach-Merritt syndrome (KMS) and hypercalcemia (HC) in an infant. Surgical removal of the hemangioma proved the most effective treatment, normalizing blood calcium levels.
Area of Science:
- Pediatric Hematology
- Pediatric Oncology
- Clinical Case Reports
Background:
- Kasabach-Merritt syndrome (KMS) is a rare condition characterized by a vascular tumor and coagulopathy.
- Hypercalcemia (HC) is an uncommon but serious complication associated with KMS.
- This report addresses the diagnostic and therapeutic challenges of KMS coexisting with HC in an infant.
Purpose of the Study:
- To present a case of an infant diagnosed with Kasabach-Merritt syndrome (KMS) and hypercalcemia (HC).
- To describe the diagnostic process and treatment course for this rare combined condition.
- To highlight the efficacy of surgical intervention for KMS with HC.
Main Methods:
- A 35-day-old infant with upper arm swelling and thrombocytopenia was treated with medications including gamma-globulin, heparin, platelet transfusions, cryoprecipitate, fibrinogen, and propranolol.
- The infant was subsequently hospitalized for surgical resection of the hemangioma via pipeline arteriosclerosis embolization.
- Treatment efficacy was monitored through clinical symptoms and blood calcium levels.
Main Results:
- Initial medical management for KMS and HC included anticoagulation, transfusions, and propranolol.
- Surgical resection of the hemangioma was performed at two months post-admission.
- Post-surgery, the infant's blood calcium levels normalized, indicating successful management of hypercalcemia.
Conclusions:
- Kasabach-Merritt syndrome (KMS) combined with hypercalcemia (HC) is an exceptionally rare clinical presentation.
- Multidisciplinary medical management is crucial for stabilizing patients with KMS and HC.
- Surgical resection of the hemangioma is the most effective treatment strategy for resolving both KMS and associated hypercalcemia.
Abstract:
The present case report presented the diagnosis and treatment course of an infant diagnosed with Kasabach-Merritt syndrome (KMS) combined with hypercalcemia (HC). A 35-day-old infant with swelling on the upper right arm for >1 month and thrombocytopenia for 1 day was admitted to Hunan Provincial People's Hospital (Changsha, China) and a series of treatments, including γ-globulin impact, heparin anticoagulation, platelet transfusion, supplement of cryoprecipitate and fibrinogen following heparinization and inhabitation of vascular endothelial cell proliferation by propranolol, were performed. At 2 months after the initial admission to the hospital, surgery was conducted and the hemangioma was removed through pipeline arteriosclerosis embolization when the patient was hospitalized again with symptoms of vomiting and atrophy accompanied by HC. The level of blood calcium reduced to normal following surgery. Cases of KMS combined with HC are extremely rare and the most effective way to treat such cases is surgical resection of the hemangioma.
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