Primary Whipple's disease of the brain: characterization of the clinical syndrome and molecular diagnosis.

Neurodegenerative Disorders Research, Suite 33, 146 Mounts Bay Road, Perth WA 6000, Australia.
QJM: monthly journal of the Association of Physicians (Impact Factor: 2.46). 10/2006; 99(9):609-23. DOI: 10.1093/qjmed/hcl081
Source: PubMed

ABSTRACT Whipple's disease (WD) of the brain without evidence of systemic involvement is a rare illness that is difficult to recognize and potentially life-threatening.
To elucidate the clinical features and diagnosis of primary WD of the brain.
A single case study, with review of published data.
We linked the information about our patient with 956 citations to published WD material. We were able to identify 19 other patients with primary WD of the brain.
Our patient was a 48-year-old woman who presented 2 years ago with generalized tonic/clonic seizures. WD of the brain was diagnosed after a life-threatening subacute deterioration leading to reduced consciousness and eye movement abnormalities. She had atrophy and gliosis of the right hippocampal formation, and nodular enhanc-ing lesions. She developed the syndrome of inappropriate ADH secretion, blepharospasm with a complete paralysis of vertical gaze, a severe amnesic syndrome, obstructive sleep apnoea, altered sleep physiology and CSF oligoclonal bands. Primary WD of the brain was diagnosed after PCR confirmed Tropheryma whipplei DNA in CSF and blood. She recovered after intravenous methylprednisolone, meropenem and cotrimoxazole. She has now survived for 24 months, lives independently and drives. Comparing our patient with the 19 others, two clinical syndromes were apparent, in both adults and children: (i) multifarious neurological symptoms and signs with a CT or MRI showing multiple nodular enhancing lesions; (ii) focal neurology secondary to solitary mass lesions.
Primary WD of the brain may be diagnosed by recognition of these two clinical syndromes, and confirmed by the application of molecular biological techniques such as PCR.

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