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Pulmonary Arteriovenous Malformation


Presentation

  • There are be an extremely variable age of presentation from infant to old age although most patient within the first three decades of life.[radiopaedia.org]
Soft Tissue Mass
  • Plain radiograph A pulmonary varix (dilated vessel) may be apparent as a non-specific soft tissue mass, often with a relatively unusual orientation compared to adjacent vessels.[radiopaedia.org]
Asymptomatic
  • Despite most patients being asymptomatic, the connection between the venous and arterial system can lead to dyspnea (due to right-to-left shunting), as well as embolic events (due to paradoxical emboli).[radiopaedia.org]
Cyanotic Congenital Heart Disease
  • Glenn and Fontan procedures for cyanotic congenital heart disease) 7 actinomycosis : thoracic actinomycosis infection Fanconi syndrome metastatic thyroid carcinoma tuberculosis 13-14 ( Rasmussen aneurysm ) A number of modalities are available for the[radiopaedia.org]
Dyspnea
  • Despite most patients being asymptomatic, the connection between the venous and arterial system can lead to dyspnea (due to right-to-left shunting), as well as embolic events (due to paradoxical emboli).[radiopaedia.org]
Cyanosis
  • Complications cyanosis (due to the right to left shunt) high output cardiac failure polycythemia paradoxical cerebral embolism 5 History and etymology The first description of pulmonary arteriovenous malformation was reported by T Churton in 1897.[radiopaedia.org]

Treatment

  • Treatment and prognosis Treatment options include: trans-catheter coil embolization surgery (historically treated with surgery) Once successfully treated (embolotherapy, surgical resection), prognosis is generally good for an individual lesion.[radiopaedia.org]

Prognosis

  • Treatment and prognosis Treatment options include: trans-catheter coil embolization surgery (historically treated with surgery) Once successfully treated (embolotherapy, surgical resection), prognosis is generally good for an individual lesion.[radiopaedia.org]

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