ArticleJournal of medical case reports2026
Streptococcus intermedius cerebellar abscess as first presentation of sarcoidosis: a case report.
Article in Journal of medical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundCerebellar abscesses are rare but potentially life-threatening infections that require prompt diagnosis and management. Streptococcus intermedius is a recognized cause of brain abscesses, particularly in individuals with underlying conditions that compromise immune function. Sarcoidosis, a systemic granulomatous disease, may predispose patients to opportunistic infections due to immune dysregulation. To our knowledge, this is the first reported case of a cerebellar abscess caused by S. intermedius as the initial manifestation of sarcoidosis. CASE PRESENTATION: A 45-year-old Caucasian male presented with progressively worsening occipital headache, dizziness, and gait instability. Neuroimaging revealed a right cerebellar abscess causing obstructive hydrocephalus. Emergency surgical intervention included external ventricular drainage and suboccipital craniectomy with abscess evacuation. Microbiological culture from the abscess confirmed S. intermedius as the causative organism. The patient's past medical history included liver cirrhosis secondary to alcohol abuse, with 8 years of abstinence. Further diagnostic workup, including chest imaging and bronchoscopy, revealed bilateral pulmonary infiltrates. Histopathological analysis of a bronchial biopsy demonstrated non-caseating granulomas consistent with sarcoidosis. Immunological evaluation revealed T-cell lymphocytopenia, suggesting an immunocompromised state. The patient received targeted intravenous antibiotic therapy for 6 weeks, consisting of ceftriaxone and metronidazole for the S. intermedius-induced brain abscess, alongside cotrimoxazole for presumed Pneumocystis jirovecii pneumonia. At the 6-month follow-up, he remained neurologically intact, and repeat imaging confirmed complete resolution of the abscess.
conclusionsThis case illustrates an unusual initial presentation of sarcoidosis manifesting as a cerebellar abscess caused by S. intermedius. Clinicians should maintain a high index of suspicion for underlying immunological conditions in patients presenting with atypical or severe infections. Early diagnosis and multidisciplinary management are essential for favorable outcomes in such complex cases.
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