Tram Track Cortical Calcification

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Gyriform calcifications in tuberous sclerosis simulating the appearance of sturge weber disease. On ncct tram track.

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The tram track sign is caused by cortical calcifications in sturge weber syndrome.

Tram track cortical calcification. This pattern of calcification has also been referred to as the tramline or railroad track sign. Renal cortical calcification is a rare entity in comparison to calcium deposits in the medulla and is seen only in a handful of pathologies with corresponding characteristic patterns on imaging. Thin linear calcifications may get deposited in the peripheral renal cortex suggestive of cortical necrosis due to a vascular insult vasculitis and rarely due to glomerulonephritis.

Medullary calcification occurs centrally within the medullary pyramids green stars. Tram track sign in the brain refers to the parallel calcification of the cortex in patients with sturge weber syndrome 1. Department of radiology.

Unlike other neurocutaneous disorders phakomatoses sturge weber occurs sporadically i e does not have a hereditary cause. Thin linear calcifications may get deposited in the peripheral renal cortex suggestive of cortical necrosis due to a vascular insult vasculitis and rarely due to glomerulonephritis. 5 this sign can be observed on plain radiograph noncontrast ct ncct scans fig 5a.

820 jorie blvd suite 200 oak brook il 60523 2251 u s. Common form of cortical calcification are thin peripheral calcification purple arrow tram track calcification blue arrow and punctate scattered calcifications red arrows. Wilms g van wijck e demaerel p.

Radiological findings will show tram track calcifications on ct bilaterally. 1 department of radiology hacettepe university 06100 sihhiye ankara turkey. This pattern of calcification has also been referred to as the tramline or railroad track sign.

It should not be confused with other tram track signs elsewhere in the body. Thin linear calcifications may get deposited in the peripheral renal cortex suggestive of cortical necrosis due to a vascular insult vasculitis and rarely due to glomerulonephritis. It is caused by a mosaic somatic activating mutation occurring in the gnaq gene.

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