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Updated: Jan 20, 2026

In Vivo Functional Study of Disease-associated Rare Human Variants Using Drosophila
Published on: August 20, 2019
The Lhermitte-Duclos disease: a rare bilateral cerebellar location of a rare pathology
Mehdi Borni1, Brahim Kammoun1, Fatma Kolsi1
1Department of Neurosurgery-UHC Habib Bourguiba, Sfax, Tunisia.
Abstract:
Dysplastic gangliocytoma or Lhermitte-Duclos disease is a rare disorder characterized by a slowly progressive unilateral tumour mass of the cerebellar cortex. It is probably hamartomatous, although the exact pathogenesis remains unknown. Lhermitte-Duclos disease was recently encountered to be part of a multiple hamartoma-neoplasia complex (Cowden's syndrome). It typically presents in young adults, although it has been encountered at all ages. We present the case of bilateral cerebellar location of this pathology in a 50-year-old man presented with a progressive onset and worsening of headaches accompanied by nuchal rigidity, photophobia and nausea awakening each morning. Upon physical examination, the patient was awake with a discrete right vestibular syndrome made of positive Romberg without nystagmus. Magnetic Resonance Imaging (MRI) was performed and revealed salient "tiger stripe" appearance of the bilateral cerebellar cortex relevant to a Lhermitte-Duclos disease.
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