Alexander Tuchman

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DNA repair plays a critical, but imprecisely defined role in neuronal survival during cortical neurogenesis. We examined cortical development in mice deficient for the DNA end-joining protein, Ku70. At gestational day 14.5, corresponding to the peak of neurogenesis, the Ku70(-/-) embryonic cerebral cortex displayed 25- to 30-fold more cell death than(More)
Use of cocaine in the USA, has reached epidemic proportions since 1983, when "crack" was introduced, its higher potency compared with cocaine HCl has been associated with a tremendous increase in the incidence of strokes. This study reports our experience with 55 cases of neurovascular events (25 ischemic and 30 hemorrhagic) related to cocaine use in 54(More)
Rhabomyolysis with myoglobinuria has been added relatively recently to the neurologic complications associated with the increased use of cocaine and the introduction of its alkaloid form (crack). This retrospective study reports our experience with 14 patients who presented with rhabdomyolysis after cocaine use in a municipal hospital over a 3-year period.(More)
OBJECT Delayed or inappropriate treatment of spinal epidural abscess (SEA) can lead to serious morbidity or death. It is a rare event with significant variation in its causes, anatomical locations, and rate of progression. Traditionally the treatment of choice has involved emergency surgical evacuation and a prolonged course of antibiotics tailored to the(More)
The incidence of spinal epidural abscess and disk space infection appears to be rising in intravenous drug-using patients. We report 18 cases seen over three years in two municipal hospitals. Staphylococcus aureus was the most common infective agent, but two patients had Mycobacterium tuberculosis infection. Computed tomography of the spine facilitates(More)
Central nervous system involvement occurred in 28 of 121 patients with acquired immune deficiency syndrome (AIDS). The major risk factor in this AIDS population was intravenous drug abuse (64%). A neurologic symptom or disability was the principal reason for hospitalization in 16 cases (57%). Three patients had primary lymphoma of the brain and the(More)