Radiology Notes

My notes during radiology residency, fellowship, and beyond…

Archive for April 2012

Vascular Anomalies, ISSVA Classification

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2 categories: vascular tumors or vascular malformations. Distinction determines therapy.

Vascular Tumors

  • infantile hemangiomas: grow rapidly after birth, GLUT1+
  • congenital hemangiomas (RICH and NICH): fully mature at birth, GLUT1-
  • Tufted angioma
  • Kaposiform hemangioendothelioma
  • Spindle cell hemangioendotheliomas
  • Dermatologic acquired vascular tumors

Vascular malformations (slow)

  • capillary malformation (port-wine stain, telangiectasia, angiokeratoma)
  • venous malformation
  • lymphatic malformation

Vascular malformations (fast)

  • arterial malformation
  • arteriovenous fistula
  • arteriovenous malformation

PDF link

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Written by lmwong

April 23, 2012 at 12:57 pm

Status Marmoratus

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Status marmoratus is the presence in full-term infants of basal nucleus lesions resulting from acute total asphyxia. The lesions have a marbled appearance caused by neuronal loss and an overgrowth of myelin in the putamen, caudate, and thalamus.  – wiki

Link about HIE

Another good link about HIE

Written by lmwong

April 12, 2012 at 12:09 pm

Posted in basal ganglia, head, neuro

Tagged with

Etat Crible

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  • dilatation of perivascular spaces around cerebral arterioles in the basal ganglia of elderly people
  • associated with vascular parkinsonism

link
link

Written by lmwong

April 12, 2012 at 8:13 am

Posted in neuro

MRI Hand and Wrist anatomy link

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A nice PDF link to an old radiographics article diagraming MRI hand and wrist anatomy in a concise fashion: http://radiographics.rsna.org/content/8/6/1171.full.pdf

Written by lmwong

April 9, 2012 at 4:03 pm

Posted in hand, mri, msk, wrist

Persistent fetal origin of PCA

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The best picture of persistent fetal origin of the PCA I can find on the net…

  • PCA originates from ICA, rather than basilar artery
  • 15% of people

Written by lmwong

April 9, 2012 at 8:45 am

Posted in carotid, neuro