ArticleNeuroradiology2014
Differentiation of pyogenic and fungal brain abscesses with susceptibility-weighted MR sequences.
Article in Neuroradiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 39 citations in OpenAlex.
- MRI-based radiomics-deep learning model for preoperative pathogen prediction in perianal abscesses.Frontiers in medicine · 2026Article
- Paramagnetic rim lesion formation is predicted by the initial gadolinium-enhancing lesion diameter.Multiple sclerosis (Houndmills, Basingstoke, England) · 2025Article
- MRI differentiation of CNS fungal infections: correlating imaging features with microbiological and histopathological findings.Neuroradiology · 2025Article
- Radiological differentiation between bacterial orbital cellulitis and invasive fungal sino-orbital infections.International ophthalmology · 2024Article
- Sphenoid Sinus Aspergilloma in an Immunocompetent and an Immunocompromised Patient: A Case Report.Cureus · 2023Article
- Central Nervous System Mold Infections in Children with Hematological Malignancies: Advances in Diagnosis and Treatment.Journal of fungi (Basel, Switzerland) · 2021Review
- Invasive Mold Infection of the Central Nervous System in Immunocompromised Children.Journal of fungi (Basel, Switzerland) · 2020Article
- How we read: the combined use of MRI and novel PET tracers for the characterisation and treatment planning of masses in neuro-oncology.Cancer imaging : the official publication of the International Cancer Imaging Society · 2019Review
- Primary central nervous system post-transplant lymphoproliferative disorders: the spectrum of imaging appearances and differential.Insights into imaging · 2019Review
- Susceptibility-Based Neuroimaging: Standard Methods, Clinical Applications, and Future Directions.Current radiology reports · 2017Article
- Fungal Infections of the Central Nervous System: A Pictorial Review.Journal of clinical imaging science · 2016Article
- Susceptibility-weighted imaging and diffusion-weighted imaging findings in central nervous system monomorphic B cell post-transplant lymphoproliferative disorder before and after treatment and comparison with primary B cell central nervous system lymphoma.Journal of neuro-oncology · 2015Article
- Atypical pyogenic brain abscess evaluation by diffusion-weighted imaging: diagnosis with multimodality MR imaging.Japanese journal of radiology · 2015Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionConventional magnetic resonance imaging (MRI) techniques are insufficient to determine the causative agent of brain abscesses. We investigated: (1) the value of susceptibility-weighted MR sequences (SWMRS) in the differentiation of fungal and pyogenic brain abscesses; and (2) the effect of different SWMRS (susceptibility-weighted imaging (SWI) versus venous blood oxygen level dependent (VenoBOLD)) for the detection of specific imaging characteristics of pyogenic brain abscesses.
methodsWe studied six patients with fungal and ten patients with pyogenic brain abscesses. Imaging characteristics on conventional MRI, diffusion-weighted imaging (DWI) and SWMRS were recorded in all abscesses. All lesions were assessed for the presence of a "dual-rim sign" on SWMRS.
resultsHomogenously hyperintense lesions on DWI were present in 60 % of patients with pyogenic abscesses, whereas none of the patients with fungal abscesses showed such lesions. On SWMRS, 90 % of patients with pyogenic abscesses and 60 % of patients with fungal abscesses had only lesions with a low-signal-intensity rim. On SWI, the dual-rim sign was apparent in all pyogenic abscesses. None of the fungal abscesses on SWI (P = 0.005) or any of the pyogenic abscesses on VenoBOLD (P = 0.005) were positive for a dual-rim sign.
conclusionsIn fungal abscesses, the dual-rim sign is not present but a prominent peripheral rim or central susceptibility effects on SWI will be seen. The appearance of pyogenic abscesses on SWMRS depends on the used sequence, with the dual-rim sign a specific feature of pyogenic brain abscesses on SWI.
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