A diabetic male in his 50s presented with progressive loss of sensitivity on the left side of the body and horizontal diplopia. Examination: Symptoms appeared after a right basal pneumonia one month before admission. The patient did not have a risk factor of HIV infection. The routine blood analysis was normal. A CT scan showed an expansive lesion in the pons which was considered as non-surgical. The patient was treated with corticoids. One week later, the patient showed general deterioration.
The fifth and sixth right cranial nerves were affected. Ataxia and disorders in swallowing were also present. A second CT scan showed that the pontine mass had become larger. The patient died 7 days after his admission and the autopsy was limited to CNS. Microscopical examination: An inflammatory lesion composed of lymphocytes, macrophages and necrotic debris observed. The inflammatory process…
