It was a Supraclinoid Stenosis Rather Than Extracranial Carotid Stenosis

Authors

  • RN Chowdhury Assistant Professor, Department of Neurology, Dhaka Medical College, Dhaka.
  • KM Rahman Assistant Professor, Department of Neurology, Dhaka Medical College, Dhaka.
  • SU Khan Assistant Professor, Department of Neurology, Dhaka Medical College, Dhaka
  • RN Sarker Assistant Professor, Department of Radiology & Imaging, Dhaka Medical College, Dhaka
  • S Nabi Assistant Professor, Department of Radiology & Imaging, Dhaka Medical College, Dhaka
  • MR Siddiqui FCPS (Medicine) Course, Dhaka Medical College, Dhaka
  • QD Mohammad Head, Department of Neurology & Principal, Dhaka Medical College, Dhaka.

DOI:

https://doi.org/10.3329/jdmc.v20i1.8586

Keywords:

Carotid stenosis, Supraclinoid stenosis, Duplex ultrasound examination, Digital subtraction angiogram

Abstract

Carotid stenosis, both intracranial and extracranial is a significant risk factor for transient ischaemic attack and ischaemic stroke. Significant carotid stenosis increases the risk of artery to artery embolization. Duplex Ultrasound (USD) is a screening test for identification and grading of carotid stenosis. USD is less sensitive and specific than cerebral Digital Subtraction Angiogram (DSA) for evaluation of carotid stenosis. USD might underestimate or overestimate degree of carotid stenosis. Here a case is presented where USD found bilateral significant extracranial carotid stenosis, whereas DSA reported no right common carotid artery and left common carotid artery bifurcation stenosis rather there was significant 70% supraclinoid right internal carotid artery stenosis.

Key words: Carotid stenosis; Supraclinoid stenosis; Duplex ultrasound examination; Digital subtraction angiogram

DOI: http://dx.doi.org/10.3329/jdmc.v20i1.8586

J Dhaka Med Coll. 2011; 20(1) :75-77

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How to Cite

Chowdhury, R., Rahman, K., Khan, S., Sarker, R., Nabi, S., Siddiqui, M., & Mohammad, Q. (2011). It was a Supraclinoid Stenosis Rather Than Extracranial Carotid Stenosis. Journal of Dhaka Medical College, 20(1), 75–77. https://doi.org/10.3329/jdmc.v20i1.8586

Issue

Vol. 20 No. 1 (2011)

Section

Case Reports