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L-asparaginase induced intracranial haemorrhage in acute lymphoblastic leukemia
Insights
A young man with acute lymphoblastic leukaemia experienced a brain hemorrhage after chemotherapy. This rare complication was likely caused by L-asparaginase, a chemotherapy drug, due to low fibrinogen levels.
Area of Science:
- Hematology
- Oncology
- Neuroscience
Background:
- Acute lymphoblastic leukemia (ALL) is a cancer of the blood and bone marrow.
- Chemotherapy, including L-asparaginase, is a standard treatment for ALL.
- Intracranial hemorrhage is a serious but rare complication of cancer treatment.
Observation:
- A 20-year-old serviceman with ALL developed a significant left parieto-occipital hemorrhage.
- The hemorrhage occurred 7 days post-induction chemotherapy.
- Severe hypofibrinogenemia was observed during L-asparaginase treatment.
Findings:
- The intracranial hemorrhage was not linked to thrombocytopenia, DIC, AVM, aneurysm, or leukemic infiltration.
- Hypofibrinogenemia, a condition of low fibrinogen, was present during L-asparaginase therapy.
- The clinical presentation strongly suggests L-asparaginase-induced intracranial hemorrhage.
Implications:
- L-asparaginase therapy can lead to uncommon but severe bleeding complications.
- Monitoring fibrinogen levels during L-asparaginase treatment is crucial.
- This case highlights the importance of considering drug toxicity in unexplained hemorrhages during leukemia treatment.
Abstract:
A 20-year-old national serviceman with acute lymphoblastic leukaemia, developed a large left parieto-occipital haemorrhage 7 days after completion of induction chemotherapy. Severe hypofibrinogenemia had been noted while he was receiving L-asparaginase. The haemorrhage could not be attributed to thrombocytopenia, disseminated intravascular coagulopathy, arterio-venous malformation, berry aneurysm or leukaemic infiltration because each of these causes was carefully investigated into and excluded. We conclude that the intracranial haemorrhage was likely L-asparaginase induced, an uncommon but recognised complication associated with L-asparaginase therapy.