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The authors report a rare complication during aspiration of a brain abscess. A 23 year-old man who had undergone surgery for empyema two months previously presented himself at our hospital complaining of headache, deterioration of activity and conscious level. An emergency computed tomography demonstrated a left frontal brain abscess. Aspiration and drainage were performed. However, this resulted in massive hematoma in and around the abscess capsule. Following craniotomy and excision of the abscess, the patient was cured. Microscopic examination of the abscess revealed the formation of a complete capsule consisting of fibroblasts and collagen fiber. In addition to this, significant neovascularization with inflammatory cells was apparent around the capsule. These findings suggest that profuse hemorrhage may occur in aspiration and drainage surgery.
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PMID:[Aspiration and drainage for brain abscess causing massive bleeding from abscess capsule: case report]. 816 3

A case of deep-seated brain abscess that ruptured twice into the ventricle and resulted in death is presented. A 45-year-old man had experienced pyrexia and headache for 3 days before admission. On admission he was somnolent (GCS: 13) but there were no abnormal neurological findings except nuchal rigidity and Kernig's sign. Computed tomography (CT) scan showed a ring enhanced mass near the left caudate head and dilated ventricles. In comparison with CT performed at the former hospital it was diagnosed that a rupture into the ventricle of the brain abscess had occurred. Ventricular drainage was performed at once and white purulent cerebrospinal fluid was obtained. Thereafter, he was treated with some antibiotics and his conditions seemed to stabilize for a while. Serial CT images demonstrated that the size of the abscess seemed to be enlarging. Just when we planned to undertake stereotactic aspiration, the second ventricular rupture occurred and he died. According to this case, it is suggested that once a deep-seated brain abscess near the ventricular system is suspected, it should be aspirated by means of CT-guided stereotactic surgery immediately.
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PMID:[A case of brain abscess of the basal ganglia which resulted in disastrous outcome due to ventricular ruptures]. 816 7

The patient was a 26-year-old man who complained of headache and vomiting. On examination, there was nothing abnormal, but the edge of the right optic papilla was not clear. His temperature was 38.5 degrees C, pulse 96/min, blood pressure 120/80 mmHg. A space-occupying lesion in his fronto-dextra cupular part was found by CT scanning. He had a 12-year history of chronic purulent otitis. The diagnosis was a brain abscess in the fronto-dextra cupular part. The brain abscess was extracted and Pasteurella multocida was isolated from the dark brown pus draining from the abscess. The patient recovered through proper antibiotic therapy based on a sensitivity test. Reports of infections caused by this organism in foreign countries very widely from local infections due to bites and scratches by cats, dogs etc. to general infections such as infections of the respiratory tract, sepsis and meningitis. However, Pasteurella multocida brain abscesses are rare. Pasteurella multocida is a Gram-negative short rod which is best known as part of the mouth flora and as a pathogen causing septicemia in many domestic animals, such as cats, dogs etc.. Infection in man results mainly from animal bites or scratches. It has been reported that Pasteurella multodida can cause human septicemia, meningitis, respiratory tract infection, conjunctivitis and other infections. We isolated a strain of Pasteurella multocida from the pus of a brain abscess following chronic purulent otitis on August 6, 1990.
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PMID:Brain abscess due to Pasteurella multocida. 817 82

During the eight-year period, 1983-1990, 102 cases of intracranial (IC) and extracranial (EC) complications from 17 144 suppurative otitis media were reviewed. The prevalence of each complication was 0.24 and 0.45 per cent respectively. Facial paralysis, subperiosteal abscess and labyrinthitis were the common complications among the EC group, while meningitis and brain abscess were common in the IC group. Twenty five per cent of the EC group and 44 per cent of the IC group had more than two complications. The reliable warning signs and symptoms for IC complications were fever, headache, earache, vestibular symptoms, meningeal signs and impairment of consciousness. Proteus spp., Pseudomonas aeuruginosa and Staphylococcus spp. were the commonest organisms isolated from both groups. Cholesteatoma and granulation/polyp in the middle ear/mastoid were the major findings in both patient groups. Mortality rate in the IC group was 18.6 per cent. Morbidity rate in each group was 14.3 per cent (EC) and 27.9 per cent (IC) respectively. Epidemiological presentations, clinical features and the result of treatment are discussed.
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PMID:Extracranial and intracranial complications of suppurative otitis media. Report of 102 cases. 828 94

A 27-year-old patient with pulmonary atresia, ventricular septal defect, and multifocal lung-perfusion suddenly developed headache and left facial sensory disturbances. Using computed tomography and magnetic resonance imaging a temporo-parietal brain abscess was diagnosed. After abscess aspiration and antibiotical therapy neurological signs disappeared immediately and the patient could leave hospital without any neurological deficit. Adult patients with congenital cyanotic heart disease are at risk to develop a brain abscess which should therefore be ruled out if headache, fever of unknown origin or focal neurologic signs occur.
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PMID:[Brain abscess in congenital cyanotic heart defect in adulthood]. 829 Dec 92

A 32 yr old male patient with history of convulsion and bitemporal headache was diagnosed as suffering from tuberculoma based on CT Scan. He worsened after anti-tuberculous therapy. The patient underwent parieto-occipital craniotomy with drainage of abscess. The histopathological examination of brain abscess revealed the infection with cladosporium bantianum. The details of this rare case of opportunist fungal cerebral lesions in healthy individual are reported.
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PMID:Cladosporium bantianum (trichoides) infection of the brain. 829 50

A case is reported here of brain abscess due to Streptococcus sanguis in association with multiple pulmonary arteriovenous fistulas. A 19-year-old male who had been diagnosed in 1988 as pulmonary arteriovenous fistulas was admitted to our hospital for repeated epistaxis, headache, and vomiting. A brain abscess which was diagnosed using various roentogenologic examinations, worsened despite conservative therapy. Additional surgical drainage was performed; S. sanguis was isolated from the drainage fluid. After drainage, clinical symptoms gradually improved with no subsequent neurological deficits. We have formulated the following hypothesis regarding the mechanism of abscess formation in this case: S. sanguis invaded from a ruptured nasomucosal vein, forming a septic emboli in the blood flow, which passed through a pulmonary arteriovenous shunt and led to the formation of a brain abscess which established a metastatic presence in the cerebral tissue.
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PMID:[A case of brain abscess due to Streptococcus sanguis in association with multiple pulmonary arteriovenous fistulas]. 836 May 24

Among 24,321 patients with otitis media treated at the Otolaryngology Department of Chiang Mai University Hospital from 1978 through 1990, 87 patients had 140 central nervous system complications (0.36%). Multiple complications existed simultaneously in almost 45% of the patients. The group developing the complications were mainly in their second decade of life. Meningitis occurred in 43 patients, brain abscess in 29, perisinus abscess in 23, lateral sinus thrombosis in 16, and extradural abscess in 12 patients. The most striking symptoms and signs were increasing otorrhea, visible cholesteatoma and/or granulations, fever, headache and otalgia, and vestibular symptoms. Proteus mirabilis, Pseudomonas aeruginosa, and staphylococcal organisms were found in almost 80% of patients. Overall mortality was 18.4% with brain abscess being the main cause (31%). Epidemiologic presentation, clinical features, and results of treatment for each disease are compared and contrasted to those of previous studies.
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PMID:Intracranial complications of suppurative otitis media: 13 years' experience. 857 65

Sixty-seven patients with brain abscess were managed over 19 years (1975-1993). Our series had a 2.5 to 1 male predominance; the age distribution was from 3 days to 81 years. The underlying conditions of hematogenic brain abscesses (n = 33; 49%) included lung infections (n = 16), heart disease (n = 4), sepsis (n = 10), and other foci (n = 3). Otolaryngologic infections led to the abscess in 10 cases; there were 9 traumatic abscesses. The causes remained unknown in 15 cases. There were 47 solitary abscesses (70%) and 20 multiple abscesses. The most frequent presenting signs and symptoms were neurologic deficits (n = 17), disturbances of consciousness (n = 14), seizures (n = 6), and headaches, meningism and vomiting (n = 13). Causative organisms were isolated in 39 cases (58%) and included staphylococci (n = 6), streptococci (n = 6), enterobacteriae (n = 2), and anaerobic pathogens (n = 9). The most reliable laboratory sign of inflammation was an elevated ESR (52/59 patients). With the advent of computed tomography, burr hole aspiration of the abscess with or without drainage was possible in 30 cases; the mortality in this subgroup was 9%. All 4 patients with surgical excision in the pre CT-era died. The mortality of patients treated with antibiotics only was 62% (18/29). Overall mortality was 37% (25/67), including 5 cases with post mortem-diagnosis of brain abscess. Good recovery was achieved in 29/42 survivors. Predictors of a poor outcome were the patient's age, the level of consciousness, multiple abscesses, polybacterial cultures, and a hematogenic etiology, but not the size of the abscess.
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PMID:[Bacterial brain abscess--experiences with 67 patients]. 880 80

A 57-year-old male with a past history of bilateral pulmonary arteriovenous fistulas (PAVFs) experienced a sudden onset of headache and gait disturbance. There was a family history of PAVF and recurrent epistaxis. He had diffuse telangiectasia of the tongue, and hereditary hemorrhagic telangiectasia was diagnosed. Neuroimaging revealed a brain abscess in the right cerebellar hemisphere, which was successfully aspirated under ultrasound guidance. The PAVFs were resected afterwards in two-staged operation. No recurrence of the abscess has been observed. Cerebral abscesses complicated by PAVF are usually supratentorial. Complete eradication of PAVF is essential because the brain abscess will sometimes recur if the PAVF is left untreated.
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PMID:Cerebellar abscess associated with pulmonary arteriovenous fistula and hereditary hemorrhagic telangiectasia--case report. 883 Dec


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