Varicella (chickenpox) is a common disease of childhood, caused by varicella-zoster virus. Postviral thromboembolism is a rare complication of varicella-zoster virus in childhood. We describe 2 children who developed lower limb deep venous thrombosis shortly after varicella infection, along with a review of 130 previously reported cases.
We report an unusual case of anaphylaxis and hepatitic dysfunction in a child with the administration of the twenty-third course of high-dose methotrexate. The latter had been used as an adjuvant to prevent pulmonary metastases and the prior 22 courses had been well tolerated. An attempt to reinstate methotrexate after the twenty-third course was again followed by a similar reaction.
Osteosarcomas are the most common malignant primary bone tumors in children and adolescents. Brain metastases of osteosarcoma are very rare and carry a dismal prognosis. We report a case of chondroblastic osteosarcoma of right humerus presented with right frontal lobe metastasis in a 10-year-old girl with small pulmonary lesions.
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