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Vein of galen malformation

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The document discusses vein of Galen malformations, which develop during fetal development when the vein of Markowski fails to regress and drains abnormally into the vein of Galen. It can cause high-output heart failure in newborns. The malformations are classified based on their blood supply and connections. Treatment options aim to reduce blood flow through the malformation via embolization, resection, or radiosurgery in order to improve the generally poor prognosis.

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VEIN OF GALEN MALFORMATION
PRESENTATION AS CCF IN THE FIRST WEEK OF LIFE AND HAVE POOR PROGNOSIS
VEIN OF GALEN The congenital malformation develops during weeks 6-11 of fetal development as a persistent embryonic prosencephalic vein of Markowski thus, VGAM is actually a misnomer. The vein of Markowski actually drains into the vein of Galen.
It can produce hydrocephalus if it obstructs the sylvian aqueduct
Vein of galen malformation
Vein of galen malformation
True VOG ARE FED FROM ANTERIOR CHOROIDAL MEDIAL AND LATERAL CHOROIDAL MESENCEPHALIC PERICALLOSAL VESSELS
TYPES OF VEIN OF GALEN MALFORMATION PURE INTERNAL FISTULA FISTULA BETWEEN THALAMOPERFORATORS AND VEIN OF GALEN MIXED FORM(MOST COMMON TYPE) PLEXIFORM TYPE
CLINICAL FEATURES RESPIRATORY DISTRESS REFUSAL OF FEED HYDROCEPHALUS SUNSET SIGN CYANOSIS SEIZURES
CLASSIFICATION LASJAUNIAS CLASSIFICATION CHOROIDAL MURAL
CLASSIFICATION YASARGILL CLASSIFICATION TYPE I PURE CISTERNAL CONNECTION BETWEEN VOG AND PERICALLOSAL / POSTERIOR CEREBRAL TYPE II - MULTIPLE FISTULUS CONNECTION BETWEEN THALAMOPERFORATORS AND VOG
TYPE III HIGH FLOW MIXED TYPE I AND TYPE II TYPE IV PARENCHYMAL AVM WITH DRAINAGE
PROGNOSIS POOR
TREATMENT OPTION COMPRISES OF EMBOLIZATION RESECTION RADIOSURGERY

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Vein of galen malformation

  • 1. VEIN OF GALEN MALFORMATION
  • 2. PRESENTATION AS CCF IN THE FIRST WEEK OF LIFE AND HAVE POOR PROGNOSIS
  • 3. VEIN OF GALEN The congenital malformation develops during weeks 6-11 of fetal development as a persistent embryonic prosencephalic vein of Markowski thus, VGAM is actually a misnomer. The vein of Markowski actually drains into the vein of Galen.
  • 4. It can produce hydrocephalus if it obstructs the sylvian aqueduct
  • 7. True VOG ARE FED FROM ANTERIOR CHOROIDAL MEDIAL AND LATERAL CHOROIDAL MESENCEPHALIC PERICALLOSAL VESSELS
  • 8. TYPES OF VEIN OF GALEN MALFORMATION PURE INTERNAL FISTULA FISTULA BETWEEN THALAMOPERFORATORS AND VEIN OF GALEN MIXED FORM(MOST COMMON TYPE) PLEXIFORM TYPE
  • 9. CLINICAL FEATURES RESPIRATORY DISTRESS REFUSAL OF FEED HYDROCEPHALUS SUNSET SIGN CYANOSIS SEIZURES
  • 11. CLASSIFICATION YASARGILL CLASSIFICATION TYPE I PURE CISTERNAL CONNECTION BETWEEN VOG AND PERICALLOSAL / POSTERIOR CEREBRAL TYPE II - MULTIPLE FISTULUS CONNECTION BETWEEN THALAMOPERFORATORS AND VOG
  • 12. TYPE III HIGH FLOW MIXED TYPE I AND TYPE II TYPE IV PARENCHYMAL AVM WITH DRAINAGE
  • 14. TREATMENT OPTION COMPRISES OF EMBOLIZATION RESECTION RADIOSURGERY