![]() ![]() Variations observed included: Unilateral aplasia of PICA in 16% with equal prevalence on both sides bilateral aplasia in 3% cases hypoplasia of RPICA in10% and hypoplasia of LPICA in 6%. Mean diameter in males was 1.75☐.62 mm and in females was 1.73☐.62 mm. Results: Mean diameter of PICA was 1.76☐.64 mm on right side and 1.73☐.60 mm on left side. The diameters of PICAs of both sides were measured and variations encountered were noted. Materials and Methods: The study population included 100 subjects, of either sex, who underwent Head and Neck CT Angiography in the Department of Radiodiagnosis, King George’s Medical College, Lucknow, Uttar Pradesh. The study focuses on normal and variant anatomy of PICA in Uttar Pradesh region of North India. This may lead to lateral medullary syndrome, also called Wallenberg syndrome. Occlusion or blockage of PICA may cause an infarction of the medulla oblongata which plays an important role in circulatory and respiratory functioning. ![]() Variations of PICA are numerous but have been infrequently reported in this region. Mob: 91-9044513758 E-Mail: Posterior Inferior cerebellar artery (PICA) is the largest and most distal branch of Vertebral artery (VA) arising near the lower end of olive. Garima Sehgal, Assistant Professor, King George’s Medical University, UP, Lucknow-226003, India. *2 Assistant Professor, Department of Anatomy, KGMU, U.P., Lucknow, India.ģ Professor, Department of Anatomy, KGMU, U.P., Lucknow, India.Ĥ Assistant Professor, Department of Anatomy, KGMU, U.P., Lucknow, India.ĥ Junior Resident II nd year, Department of Anatomy, KGMU, U.P., Lucknow, India.Ĭorresponding Author: Dr. Sangma Sarah 1, Sehgal Garima * 2, Chopra Jyoti 3, Pankaj AK 4, Lakra Vandana 5.ġJunior Resident III rd year, Department of Anatomy, King George’s Medical University, U.P., Lucknow, India (KGMU, U.P., Lucknow, India). Table of Contents Type of Article: Original Research Volume 6 Issue 2.2 (May 2018) Page No.: 5261-5267 DOI: VARIATIONS IN POSTERIOR INFERIOR CEREBELLAR ARTERY AND ITS CLINICAL SIGNIFICANCE IN UTTAR PRADESH REGION: A 64-SLICE CT ANGIOGRAPHIC STUDY ![]()
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