A bone marrow sample is sent to the lab for cytochemical sta…

A bone marrow sample is sent to the lab for cytochemical staining. Results as follows: Myeloperoxidase: positive                    Sudan Black B: positive                           Non-specific Esterase: positiveBased on these findings, what lineage(s) is (are) most likely present?

A 55-year-old male presents with fatigue, weight loss, and p…

A 55-year-old male presents with fatigue, weight loss, and pruritus. Laboratory studies reveal leukocytosis, elevated basophils with immature forms on a peripheral smear, >20% basophilic blasts in the bone marrow, and elevated serum histamine levels. What best explains the relationship between hyperhistaminemia and the patient’s condition?