G L Bohmfalk

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Evaluation of radiation therapy for a given neoplasm includes consideration of possible treatment complications as well as potential benefit. A 43-year-old male with a glomus jugular tumor or the right middle ear had received 4480 rad to the right middle and inner ear and temporal bone. Eight years later, he developed an anaplastic astrocytoma of the right(More)
The change in size of a ruptured anterior cerebral artery aneurysm was recorded in a series of angiograms. The aneurysm did not appear on the initial angiogram, but was seen on the second study. Incomplete filling was seen on the third angiogram, and the aneurysm appeared to have thrombosed on the fourth angiogram. On the fifth angiogram, done 5 weeks after(More)
Three patients with central nervous system symptoms due to subclavian steal syndrome were treated with proximal vertebral to common carotid artery transposition. Neurological symptoms were relieved or improved in all three, with no decrease in blood pressure or pulse in the ipsilateral upper extremity. The colorful history of this syndrome is reviewed, and(More)
Vertebrobasilar insufficiency is an important syndrome in the spectrum of cerebrovascular disease. Its clinical importance and the frequency of its clinical manifestations are often underestimated. Our experience with a large population of patients having extensive cerebrovascular disease has led us to recognize two classes of vertebrobasilar(More)
Intraoperative vertebral artery blood flow was measured in two patients with symptomatic subclavian steal syndrome, before and after proximal end-to-side vertebral to common carotid artery transposition. This confirmed retrograde flow in the vertebral artery before transposition, and antegrade flow after transposition. The measured flow rates were compared(More)
In 35 daytime paired blood and cerebrospinal fluid (CSF) samples from 15 patients, melatonin levels in CSF were undetectable or detectable but not higher than blood levels. During pneumoencephalography in 6 patients, no significant elevation of blood melatonin levels was observed, whereas cortisol concentration increased.
The suspicion that physicians in this community know little about current events in American medical socioeconomics and politics led to a survey of the local medical society membership. The results showed a discouraging lack of knowledge about information that is readily available to physicians. We concluded that current methods for educating physicians in(More)