Search results for “MELAS”

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105 results found
Article

Mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes (MELAS)

Mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes (MELAS) is one of many mitochondrial disorders. As mitochondria, which have their own DNA, are exclusively passed on from the mother these disorders are only inherited from the mother. On imaging, it manifests as mult...
Case

MELAS

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 26 Apr 2010
71% complete
MRI
Case

MELAS syndrome

 Diagnosis almost certain
Dr Mustafa Takesh
Published 14 Jun 2020
75% complete
CTMRI
Case

Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episode (MELAS)

 Diagnosis probable
Dr Oyedepo Victor Olufemi
Published 12 Sep 2019
71% complete
MRI
Case

Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS)

 Diagnosis probable
Dr Chris O'Donnell
Published 11 Jan 2012
70% complete
MRICT
Article

Myoclonic epilepsy with red ragged fibers (MERRF)

Myoclonic epilepsy with red ragged fibers (MERRF) is a rare, multisystem mitochondrial disorder.  Clinical presentation Patients usually present in late adolescence or early adulthood with 1-3 myoclonus epilepsy cerebellar ataxia intellectual disability vision and/or hearing loss cardiom...
Article

Mega cisterna magna

Mega cisterna magna refers to a normal variant characterized by a truly focal enlargement of the CSF-filled subarachnoid space in the inferior and posterior portions of the posterior cranial fossa. It is an incidental finding on neuroimaging, and no imaging follow up is necessary.  Epidemiology...
Article

Cerebral cortical restricted diffusion

Cerebral cortical restricted diffusion or gyriform restricted diffusion refers to curvilinear hyperintense signal involving the cerebral cortex on DWI images with a corresponding low signal on ADC images. Causes include: vascular thrombo-occlusive disease (most common) 1 cerebral venous throm...
Article

Primary mitochondrial disorders

Primary mitochondrial disorders (PMDs) are a clinically heterogeneous group of conditions caused by pathologic variants in mitochondrial DNA (mtDNA) or nuclear DNA (nDNA). There are many conditions that result from mitochondrial dysfunction affect the neurological and muscular systems in a vari...
User

MARTIN JOSE MELA

MARTIN JOSE MELA on Radiopaedia.org
Location : Argentina
Primary area interest : Abdominal radiology
Level of training : Undergraduate Non-Medicine (year 5+)
Public cases : 0
Public playlists : 0
Edits : 0
Article

Demyelinating disorders

Demyelinating disorders are a subgroup of white matter disorders characterized by the destruction or damage of normally myelinated structures. These disorders may be inflammatory, infective, ischemic or toxic in origin and include 1-7: autoimmune demyelination multiple sclerosis (MS) Marburg ...
Article

Basal ganglia calcification

Basal ganglia calcification is common and is seen in approximately 1% of all CT scans of the brain, depending on the demographics of the scanned population. It is seen more frequently in older patients and is considered a normal incidental and idiopathic finding in an elderly patient but should ...
Article

Stroke in children and young adults

Stroke in children and young adults can result from several causes, which are distinct from the most common causes in adults. Pathology Etiology Arterial ischemic stroke arteriopathies focal cerebral arteriopathy of childhood CNS vasculitis (e.g. large vessel childhood primary angiitis of ...
Article

COL4A1 brain small-vessel disease

COL4A1 brain small-vessel disease is an autosomal dominant monogenic COL4A1-related disorder that primarily causes cerebral small vessel disease. Epidemiology The exact prevalence is unknown, but the condition is likely under-diagnosed. Clinical presentation The clinical presentation is vari...
Article

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL)

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an autosomal dominant microvasculopathy characterized by recurrent lacunar and subcortical white matter ischemic strokes and vascular dementia in young and middle age patients without known va...
Case

Mega cisterna magna

 Diagnosis certain
Dr Heba Abdelmonem
Published 22 Oct 2016
92% complete
CT
Case

Mega cisterna magna

 Diagnosis certain
Dr Abdel-Rahman Abdel-Halim
Published 13 Oct 2014
92% complete
CT
Case

Mega cisterna magna

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 21 May 2010
83% complete
MRI
Case

Mega cisterna magna

 Diagnosis almost certain
Dr Karwan T. Khoshnaw
Published 20 Jan 2019
77% complete
MRI
Case

Mega cisterna magna

 Diagnosis probable
Dr Paresh K Desai
Published 01 Apr 2009
69% complete
Ultrasound

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