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Cerebellar hypoplasia | Radiology Reference Article | Radiopaedia. org Cerebellar hypoplasia is largely a descriptive term that encompasses a wide range of conditions, including congenital morphological cerebellar abnormalities and acquired changes that result in the cerebellum having reduced volume, stable over time 1,4,5 The pattern of volume loss may be regional (affecting only part of the cerebellum) or global
Unilateral Cerebellar Hypoplasia - American Journal of Neuroradiology Focal cerebellar hypoplasia can be further subdivided into isolated vermis hypoplasia or hypoplasia of one of the cerebellar hemispheres Pathologic evidence of cerebellar injury due to birth asphyxia is well described Because of its high metabolic activity, the vermis is the structure that is most commonly involved
Unilateral Cerebellar Hypoplasia: A Rare Cause of Childhood Seizures The right middle cerebellar peduncle showed reduced volume and normal signal intensity The space created by hypoplastic right cerebellum was filled with cerebrospinal fluid (CSF) The fourth ventricle, midbrain, pons, and medulla were normal The left cerebellar hemisphere was normal in bulk and signal intensity
Diagnostic Approach to Cerebellar Hypoplasia - PubMed Traditionally, neuroimaging has been a key tool to categorize CH based on the pattern of cerebellar involvement (e g , hypoplasia of cerebellar vermis only vs hypoplasia of both the vermis and cerebellar hemispheres) and the presence of associated brainstem and cerebral anomalies
Unilateral cerebellar hypoplasia - PMC The deep tendon reflexes were exaggerated on the right side A CT scan showed hypoplasia of the left cerebellar hemisphere, a large cisterna magna, and asymmetry of the posterior fossa: the left side being smaller than the right [Figure 1] The smaller size of the left cerebellar hemisphere could be better appreciated on MRI [Figure 2]
Diagnostic Approach to Cerebellar Hypoplasia | The Cerebellum Depiction of cerebellar anatomy a The cerebellum is formed of 3 lobes (anterior, posterior, and flocculonodular) and 10 lobules, and is divided into a midline vermis and two hemispheres b The inferior and middle cerebellar peduncles carry the main inputs to the cerebellum: (i) the pontocerebellar and spinocerebellar fibers that form the mossy fibers which synapse onto the granule cells, and
Unilateral cerebellar hypoplasia | Radiology Case | Radiopaedia. org MRI features of unilateral cerebellar hypoplasia Unilateral cerebellar hypoplasia is considered a rare cerebellar malformation, characterized by the reduced volume of the right or left cerebellar hemisphere with asymmetry of the posterior crani
isolated unilateral hemispheric cerebellar hypoplasia Disease Overview Isolated unilateral hemispheric cerebellar hypoplasia is a rare, non-syndromic cerebellar malformation characterized by loss of volume in the right or left cerebellar hemisphere, with intact vermis and no other neurological anomalies (i e normal cerebral hemispheres, fourth ventricle, pons, medulla and midbrain) Patients may be asymptomatic or may present developmental and