system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 1-year-old, pale-looking boy presents with high-grade fever and ecchymosis, which he has been experiencing for the past 2 weeks. The boy has achieved all developmental milestones on time and has no history of medical illness in the past. Lab investigations reveal the following:
Hemoglobin 5.5 g/dL
WBC 112,000/mm3
Platelets 15,000/mm3
ESR 105/1st hour
The boy is referred to a hematologist, who suspects that he may be suffering from the neoplastic proliferation of immature B cells. The physician decides to do a flow cytometry analysis. Detection of which of the following markers would help confirm the suspected diagnosis?
assistant
CD19, terminal deoxynucleotidyl transferase (Tdt)