Subarachnoid and Intraventricular Dissemination of Fat Secondary to Intrathecal Pain Pump

Otavio Augusto Ferreira Dalla Pria; Christine M. Gill; Krishnakumari Ashwinbhai Modi; Leonardo Furtado Freitas; Nitesh Shekhrajka

doi:10.3941/jrcr.5676

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Subarachnoid and Intraventricular Dissemination of Fat Secondary to Intrathecal Pain Pump

Journal article

Open access

Subarachnoid and Intraventricular Dissemination of Fat Secondary to Intrathecal Pain Pump

Otavio Augusto Ferreira Dalla Pria, Christine M. Gill, Krishnakumari Ashwinbhai Modi, Leonardo Furtado Freitas and Nitesh Shekhrajka

Journal of radiology case reports, Vol.19(3), pp.1-6

03/31/2025

DOI: 10.3941/jrcr.5676

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Abstract

Radiologists frequently encounter intracranial fat in daily practice, typically representing physiologic or anatomic variations such as small fat deposits in the falx or well-known entities such as dermoid cysts, intracranial lipomas, and post-surgical/procedural dissemination after intracranial surgery and fat grafting. Among rare causes are subarachnoid and intraventricular migration of fat after spinal trauma or surgery. A rarer entity, intracranial migration of fat following intrathecal pain pump placement, has been reported in only two previous cases in the English literature. With this article, we present the third documented case to raise awareness of this potential differential diagnosis for subarachnoid fat dissemination, particularly in the absence of a history of trauma or intracranial surgery. Given that the etiological source may be distant from the imaging field of view, it can easily be overlooked in the differential diagnosis.

Baclofen pump

Fat

Fat dissemination

Fat embolization

Intrathecal pump

Spinal procedure

Subarachnoid space

Details

Title: Subtitle: Subarachnoid and Intraventricular Dissemination of Fat Secondary to Intrathecal Pain Pump
Creators: Otavio Augusto Ferreira Dalla Pria - Department of Radiology, University of Iowa Hospitals and Clinics, United States
Christine M. Gill - University of Iowa
Krishnakumari Ashwinbhai Modi - Department of Radiology, University of Iowa Hospitals and Clinics, United States
Leonardo Furtado Freitas - Florida International University (FIU), Herbert Wertheim College of Medicine, United States
Nitesh Shekhrajka - Department of Radiology, University of Iowa Hospitals and Clinics, United States
Resource Type: Journal article
Publication Details: Journal of radiology case reports, Vol.19(3), pp.1-6
DOI: 10.3941/jrcr.5676
ISSN: 1943-0922
eISSN: 1943-0922
Language: English
Date published: 03/31/2025
Academic Unit: Neurology; Radiology
Record Identifier: 9984833487002771

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