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Vol. 20. Issue 6.
Pages 563-566 (January 2009)
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Vol. 20. Issue 6.
Pages 563-566 (January 2009)
Persistent primitive hypoglossal artery and fenestration of posterior cerebral artery: CT and MR angiography
Arteria hipoglosa primitiva persistente y fenestración de la arteria cerebral posterior: hallazgos con TC y angiografía de RM
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L. Pasaoglu, H.G. Hatipoglu
, M. Vural, I. Ziraman, H.N. Ozcan, S. Koparal
Department of Radiology. Ankara Numune Education and Research Hospital. Turkey
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Summary

Persistent primitive hypoglossal artery (PPHA) which is a persistent carotid-basilar anastomosis is a rare vascular anomaly. It is usually found incidentally. Fenestrations of cerebral arteries are uncommon. Herein we present a case of PPHA with fenestration of posterior cerebral artery. A 28 year old man was admitted to our hospital with complaints of dizziness and temporary loss of vision. Neurological examination revealed no abnormal findings. The patient was further evaluated with CT and MR angiography.

To our knowledge, the case we reported is the first case in the literature with PPHA and fenestration of posterior cerebral artery. The detection of PPHA and associated vascular anomalies and diseases are important before surgical and interventional procedures.

CT and MR angiography are much safer diagnostic alternatives in the detection of PPHA and fenestrations. When PPHA is detected, attention should be given to the coexistent posterior circulation anomalies.

Key words:
Persistent primitive hypoglossal artery
Fenestration
Posterior cerebral artery
CT angiography
MR angiography
Resumen

La arteria hipoglosa primitiva persistente (AHPP) que es una anastomosis carótido-basilar persistente es una anomalía vascular rara. Se encuentra de forma incidental más frecuentemente. Las fenestraciones de arterias cerebrales son raras. Presentamos aquí un caso de AHPP con fenestración de la arteria cerebral posterior. Un varón de 28 años fue admitido en nuestro hospital por presentar mareo y pérdida transitoria de visión. El paciente fue evaluado con TC y angiografía de RM. Para nuestro conocimiento este es el primer caso descrito de una AHPP asociada a fenestración de la arteria cerebral posterior. La detección de AHPP y una anomalía vascular asociada son importantes antes de planificar tratamientos quirúrgicos o endovasculares. El CT y la angiografía en RM son formas de diagnóstico seguras ante anomalías vasculares. Cuando se detecta una AHPP se debe prestar atención a la coexistencia de anomalías de la circulación posterior.

Palabras clave:
Arteria hipoglosa primitiva persistente
Fenestración
Arteria cerebral posterior
TC
RM
Angiografía

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