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Abnormal CT temporal bone findings in a case of Kallmann syndrome presenting with conductive hearing loss
Authors:Chak Yuen Fung  Abhilash Balakrishnan  Tiong Yong Tan
Affiliation:1. Department of Otolaryngology, Kandang Kerbau Women''s and Children''s Hospital, Singapore;2. Department of Diagnostic Radiology, Changi General Hospital, Singapore;1. University of California, Davis Department of Otolaryngology-Head and Neck Surgery, Sacramento, CA, United States;2. University of California, Davis Department of Pathology, Sacramento, CA, United States;1. Resident, Department of Oral and Maxillofacial surgery, Mount Sinai Medical Center, New York, NY;2. Louisiana State University at Shreveport, LA;3. Sidney Kimmel Medical college of Thomas Jefferson University, Philadelphia, PA;4. Former Resident, Department of Oral and Maxillofacial/Head and Neck Surgery, Louisiana State University Health Sciences Center, Shreveport, LA;5. Department of Oral and Maxillofacial/Head and Neck Surgery, Louisiana State University Health Sciences Center, Shreveport, LA, United States;6. Chancellor and Dean, Louisiana State University Health Sciences Center, Shreveport, LA, United States;1. Department of Neurology, Tohoku University Graduate School of Medicine, Sendai, Japan;2. Department of Multiple Sclerosis Therapeutics, Tohoku University Graduate School of Medicine, Sendai, Japan;3. Division of Emergency and Critical Care Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan;1. Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Dermatology ward G23, New Groote Schuur Hospital, Observatory, Cape Town 7925, South Africa;2. Combined Drug Allergy Clinic, Groote Schuur Hospital, Dermatology ward G23, New Groote Schuur Hospital, Observatory, Cape Town 7925, South Africa;3. Center for Drug Safety & Immunology, Vanderbilt University Medical Center, Nashville, TN;4. Institute for Immunology & Infectious Diseases, Murdoch University, Murdoch, Western Australia, Australia;5. Department of Dermatology, Uniformed Serviced University, Bethesda, MD, USA;6. Department of Medicine, Uniformed Serviced University, Bethesda, MD, USA;7. Department of Dermatology, MedStar Washington Hospital Center/Georgetown University Hospital, Washington, DC, USA;8. The Burn Center, MedStar Washington Hospital Center, Washington, DC, USA;9. Division of Allergy and Clinical Immunology, Department of Medicine, Groote Schuur Hospital, University of Cape Town Lung institute, George Street, Mowbray, 7925, Cape Town, South Africa;10. Allergy and Immunology Unit, University of Cape Town Lung Institute, Old Main Building, Groote Schuur Hospital, Anzio Road, 7925, Cape Town, South Africa
Abstract:Kallmann syndrome is characterised by hypogonadotrophic hypogonadism and hyposmia. Sensorineural hearing loss is a frequently described association with this syndrome. We report a case of Kallmann syndrome presenting with conductive hearing loss and the CT temporal bone findings of absence of all the semicircular canals. We also postulated the causes for the conductive hearing loss and reviewed the relevant literature.
Keywords:Kallmann syndrome  Hearing loss  Deafness  Conductive hearing loss  CT temporal bone  Semicircular canals
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