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PubMed1977

[Radioisotope scintigraphy in the diagnosis of brain abscesses].

The authors report two cases of brain abscess presenting considerable diagnostic difficulties despite neuroradiological investigations (angiography, pneumoencephalography, ventriculography). Brain scintigraphy was found to be most reliable in the detection and localization of focal intracerebral changes and made possible successful surgical intervention. In both cases the proper diagnosis of abscess was made only during the operation since the clinical syndrome did not suggest this type of lesion. Brain scintigraphy made possible localization of the lesions in the parietal and occipital areas; results of angiography and pneumoencephalography are not quite often reliable if lesions are situated in these areas.

Adult↗
PubMed1978

[Brain abscess discovered 38 years after head injury (author's transl)].

We reported a case of delayed brain abscess following a penetrating gun-shot injury. The brain abscess surrounding retained intracranial fragments of bone and shell was found 38 years after head injury. The patient's only symptom had been minimal weakness of the right arm. This case was treated surgically with good results. The long period of silent infection was discussed.

Aged↗
PubMed1978

Brain abscess due to Streptococcus MG-intermedius (Streptococcus milleri).

Three cases of brain abscesses due to Streptococcus MG-intermedius are reported, and the literature pertaining to this subject is reviewed. The importance of careful and complete identification of these etiological agents of infection is stressed. The clinical presentation, the origin of S. MG-intermedius producing brain abscess, and its relation to hepatic abscesses and endocarditis are discussed.

Adolescent↗
PubMed1979

[CT findings in brain abscesses (author's transl)].

Seventeen patients with brain abscesses are reported, some with multiple lesions. The computer tomographic criteria for the diagnosis with and without enhancement are described. The advantages of computer tomography compared with other neuroradiological methods for the diagnosis and follow-up of abscesses is stressed. Good therapeutic results have been obtained from simple puncture of the lesion.

Adolescent↗
PubMed1979

Brain abscess following the insertion of skull tongs.

Brain abscess is an uncommon complication of the insertion of skull tongs. The two cases reported demonstrate the difficulty that may occur in diagnosis and the high mortality associated with this complication.

Adult↗
PubMed1979

Experimental brain abscess evolution: computed tomographic and neuropathologic correlation.

Brain abscess evolution was studied in dogs by correlating the CT appearance with the neuropathologic findings. The abscess, produced by direct inoculation, progressed from an area of cerebritis to a well encapsulated abscess over 14 days. Ring enhancement was seen in the cerebritis stage prior to capsule formation. The ring reached its maximum size at this stage and correlated best with the area of cerebritis surrounding the developing necrotic center; the rim of this ring increased in thickness, resulting in progressive diminution of the central lucent area on scans delayed up to 60 min. The diameter of the ring decreased as cerebritis receded. Once the capsule had formed, the central lucent area was similar and no longer filled in on delayed scans.

Animals↗
PubMed1976

Brain abscess and subdural empyema. Factors influencing mortality and results of various surgical techniques.

The authors review the results of various surgical techniques in relation to mortality and morbidity in 100 consecutive cases of brain abscess and subdural empyema. The mortality rate is the same with total excision and fractional drainage of brain abscesses, although in acute and subacute cases slight differences between both techniques are seen. In terms of morbidity, fractional drainage appears to be more favourable than total excision. The authors believe that factors other than surgical procedure influence mortality in cases of brain abscess and subdural empyema. These factors are defined in detail.

Acute Disease↗
PubMed1977

Recurrent brain abscess: manifestation of pulmonary arteriovenous fistula and hereditary hemorrhagic telangiectasia.

A unique case of recurrent brain abscess as the primary manifestation of pulmonary arteriovenous fistula is presented. In the absence of hematologic abnormalities and characteristic physical findings, the diagnosis of pulmonary arteriovenous fistula is particularly elusive. Patients with brain abscess must be carefully evaluated for the presence of pulmonary arteriovenous fistula or hereditary hemorrhagic telangiectasia.

Arteriovenous Malformations↗
PubMed1979

[Differential-diagnostic problems with the brain abscess in axial computerized tomography (author's transl)].

On the base of three autoptically controlled cases with ring-shaped findings in the CT the problem of the differential diagnosis of the brain abscess in axial computerized tomography is discussed. A brain abscess must especially be taken into account when the hyperdense anulus already occurs without enhancement by contrast media. The ring-shaped finding is then caused by the high amount of collagen fibres within the abscess membrane, which has no comparable correlate in other focal processes of the brain.

Autopsy↗
PubMed1979

Assessment of the postoperative course of excised brain abscess by computerized tomography.

We present two patients with brain abscess who underwent complete excision with a satisfactory clinical outcome although serial computerized tomography (CT) Scans in the early postoperative period seemed to indicate a large residual abscess in each case. We recommend treatment based on the clinical course rather than the CT scan appearance, indicate that earlier reports on this topic may be misleading, and suggest an explanation for these findings.

Brain Abscess↗
PubMed1977

Feline brain abscesses due to Cladosporium trichoides.

Cladosporium trichoides was isolated from brain abscesses of two cats. No obvious route of entry was found in either case. The brain was the only organ cultured. No other significant lesions were observed during necropsy. These are the first reported cases of such infection in animals.

Animals↗
PubMed1976

Lactate dehydrogenase and aspartete transaminase of the cerebrospinal fluid in patients with brain tumours, congenital hydrocephalus, and brain abscess.

The diagnostic value of CSF lactate dehydrogenase and aspartate transaminase in cases of brain tumours (except for CSF AST in the benign tumours), congenital hydrocephalus, and brain abscess is established. Tumour cyst fluids show a higher enzymatic activity than does the CSF. The two enzyme estimations do not help in differentiating the supratentorial from the infratentorial tumours. CSF AST is superior to CSF LD in discriminating the malignant and benign tumours, in so far as the AST is increases selectively in malignancy. Estimates of CSF LD are slightly superior to those of CSF AST, both in incidence of abnormality and the degree of their rise.

Aspartate Aminotransferases↗
PubMed1978

Considerations in diagnosing brain abscess with computerized axial tomography.

Four studies with computerized axial tomography (CT scan) were performed in a 20-year-old man in whom multiple brain abscesses developed while hospitalized for complications of regional enteritis. A large frontal lobe abscess appeared as a nonspecific region of decreased density on the initial CT scans. When iodine was used to enhance the diagnostic sensitivity of the CT scan, this areas was identifiable as an abscess. However, a 1-cm lesion in the right parietal area that extended into the choroid plexus was not delineated. Radionuclide scans detected both lesions, but did not allow pathological identification. We conclude that CT scans should be performed with iodine enhancement whenever brain abscesses are suspected, and that some abscesses that are undetected by CT scans even with iodine enhancment may be delineated but not identified by sodium pertechnetate Tc 99m imaging.

Adult↗