A 3-year-old boy is brought to the pediatrician because of abdominal distention, weight loss, and decreased appetite. Examination reveals an irregular abdominal mass that crosses the midline. He also has periorbital ecchymoses. Urine studies show elevated homovanillic acid and vanillylmandelic acid. Which of the following is the most likely diagnosis?
- A)Wilms tumor
- B)NeuroblastomaGABARITO
- C)Hepatoblastoma
- D)Adrenocortical adenoma
- E)Pheochromocytoma
Explicação
Neuroblastoma is a malignant tumor of neural crest derived sympathetic tissue commonly presenting in young children with an abdominal mass that crosses the midline and elevated catecholamine metabolites. Ver explicação completa e trilha adaptativa →