Asian Journal of Transfusion Science
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Year : 2018  |  Volume : 12  |  Issue : 2  |  Page : 180-182

Para-Bombay phenotype: A case report from a tertiary care hospital from South Gujarat

1 Department of Immuno-Hematology and Blood Transfusion, Government Medical College and New Civil Hospital, Surat, Gujarat, India
2 Department of Transfusion Medicine, ICMR- National Institute of Immunohaematology, Mumbai, Maharashtra, India

Correspondence Address:
Swati S Kulkarni
National Institute of Immunohaematology (ICMR), 13th Floor, NMS Building, KEM Hospital Campus, Parel, Mumbai - 400 012, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajts.AJTS_151_17

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The blood specimen of a 30-year-old male donor showing a discrepancy in cell and serum grouping was targeted for detailed study at the blood bank at tertiary care hospital in South Gujarat. Forward grouping showed group as “O” RhD positive and reverse grouping as group “A.” Further testing confirmed that the individual's blood group was para-Bombay A (para-AH). Family members were screened, and younger brother was also identified as para-Bombay phenotype. The para-Bombay phenotype is very rare, and only a few cases have been reported from India. This blood group is characterized by the absence of ABH antigens on red blood cells (RBC's) with the presence of ABH substances in body secretions or by the weak expression of ABH antigens on RBC's with the absence or presence of substances in body secretions. This rare phenotype can be mislabeled as “O” if all detailed investigations are not performed.

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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006