{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T02:40:16Z","timestamp":1784169616957,"version":"3.55.0"},"reference-count":35,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T00:00:00Z","timestamp":1770595200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Vet. Sci."],"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Urinary tract disorders are common in dromedary camels and present diagnostic challenges due to non-specific clinical signs and limited field diagnostic tools. Ultrasonography is a valuable, non-invasive modality for evaluating renal and lower urinary tract abnormalities. This long-term retrospective study aimed to describe the ultrasonographic findings associated with urinary tract disorders in dromedary camels and to assess the diagnostic utility of ultrasonography as a primary imaging modality.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Records of 1,100 camels (3 months\u221220 years) examined between 2012 and 2025 were reviewed. Based on primary clinical presentation and ultrasonographic observations, animals were classified into six descriptive groups: hemorrhagic (G1), inflammatory (G2), infectious (G3), obstructive (G4), traumatic (G5), and neoplastic (G6). Sonographic features were summarized descriptively, and ultrasound-guided aspiration was performed when indicated for pathogen identification.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      G1 (\n                      <jats:italic>n<\/jats:italic>\n                      = 300) included hemorrhagic conditions characterized by hematuria, bladder clots, thickened or corrugated bladder walls, nephrolithiasis, hydronephrosis, renal abscesses, pyelonephritis, and bladder rupture. G2 (\n                      <jats:italic>n<\/jats:italic>\n                      = 332) comprised inflammatory disorders, including cystitis with thickened bladder walls and echogenic luminal deposits, balanitis with pelvic urethral dilation, and bladder paralysis with severe distension and hyperechoic sediment. G3 (\n                      <jats:italic>n<\/jats:italic>\n                      = 179) involved infectious diseases, presenting with single or multiple renal abscesses; ultrasound-guided aspiration identified\n                      <jats:italic>Staphylococcus lugdunensis<\/jats:italic>\n                      and\n                      <jats:italic>Staphylococcus aureus<\/jats:italic>\n                      in sampled cases. G4 (\n                      <jats:italic>n<\/jats:italic>\n                      = 214) consisted of obstructive disorders associated with urinary retention, urethral dilation, bladder distension, and renal or bladder calculi producing acoustic shadowing. G5 (\n                      <jats:italic>n<\/jats:italic>\n                      = 73) included traumatic conditions such as uroperitoneum and bladder rupture, identified ultrasonographically by free abdominal fluid, floating viscera, and collapsed thick-walled bladders. G6 (\n                      <jats:italic>n<\/jats:italic>\n                      = 2) represented neoplastic disease with irregular renal masses of mixed echogenicity.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Ultrasonography provided a detailed assessment of a wide range of urinary tract disorders in dromedary camels and proved to be a practical, non-invasive diagnostic tool in both field and hospital settings. The retrospective data demonstrate its value in identifying lesion location, tissue alterations, and associated structural abnormalities, even when laboratory or advanced imaging data are incomplete. These findings support ultrasonography as a primary diagnostic method for urinary tract evaluation, enhancing clinical recognition and management of urinary disorders in camels.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fvets.2026.1742804","type":"journal-article","created":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T05:22:09Z","timestamp":1770614529000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Long-term ultrasound insights into camelid urology: a retrospective analysis of urinary tract disorders in 1,100 dromedary camels (Camelus dromedarius) (2012\u20132025)"],"prefix":"10.3389","volume":"13","author":[{"given":"Mohamed","family":"Tharwat","sequence":"first","affiliation":[{"name":"Department of Clinical Sciences, College of Veterinary Medicine, Qassim University","place":["Buraidah, Saudi Arabia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hazem M. M.","family":"Elmoghazy","sequence":"additional","affiliation":[{"name":"Department of Clinical Medicine, University Veterinary Hospital, Qassim University","place":["Buraidah, Saudi Arabia"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,2,9]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"e03139","DOI":"10.1016\/j.heliyon.2019.e03139","article-title":"Anatomical features in the kidney involved in water conservation through urine concentration in dromedaries (Camelus dromedarius)","volume":"6","author":"Abdalla","year":"2020","journal-title":"Heliyon."},{"key":"B2","doi-asserted-by":"publisher","first-page":"779","DOI":"10.1038\/s42003-021-02327-3","article-title":"Multiomic analysis of the Arabian camel (Camelus dromedarius) kidney reveals a role for cholesterol in water conservation","volume":"4","author":"Alvira-Iraizoz","year":"2021","journal-title":"Commun. Biol"},{"key":"B3","doi-asserted-by":"publisher","first-page":"1228","DOI":"10.5455\/OVJ.2023.v13.i10.1","article-title":"Is camel's urine friend or enemy? Review of its role in human health or diseases","volume":"13","author":"Tharwat","year":"2023","journal-title":"Open Vet J."},{"key":"B4","doi-asserted-by":"publisher","first-page":"367","DOI":"10.1186\/s12917-024-04215-4","article-title":"Effects of long-term dehydration and quick rehydration on the camel kidney: pathological changes and modulation of the expression of solute carrier proteins and aquaporins","volume":"20","author":"Damir","year":"2024","journal-title":"BMC Vet Res"},{"key":"B5","doi-asserted-by":"publisher","first-page":"7814927","DOI":"10.1155\/2020\/7814927","article-title":"Ultrasonography of the kidneys in healthy and diseased camels (Camelus dromedarius)","volume":"2020","author":"Tharwat","year":"2020","journal-title":"Vet. Med. Int"},{"key":"B6","doi-asserted-by":"publisher","first-page":"1289","DOI":"10.5455\/OVJ.2025.v15.i3.20","article-title":"Renal abscessation in dromedary camels: clinical, ultrasonographic, hematobiochemical, and etiological investigations","volume":"15","author":"Tharwat","year":"2025","journal-title":"Open Vet. J"},{"key":"B7","doi-asserted-by":"publisher","first-page":"1689681","DOI":"10.3389\/fvets.2025.1689681","article-title":"Exploring the gut\u2013kidney axis: possible connection between gastrointestinal and renal disorders in dromedary camels","volume":"12","author":"Tharwat","year":"2025","journal-title":"Front. Vet. Sci"},{"key":"B8","first-page":"853","article-title":"Diseases of the renal system: urolithiasis. In Smith BP, editor","author":"Van Metre","year":"2002","journal-title":"Large Animal Internal Medicine"},{"key":"B9","first-page":"56","article-title":"Acquired obstructive urolithiasis in male Camelus dromedarius from southeast Algeria: report of 11 cases","volume":"13","author":"Abdeldjalil","year":"2020","journal-title":"J Camelid Sci"},{"key":"B10","first-page":"231","article-title":"Pathological findings of slaughtered camels' (Camelus dromedaries) kidneys in Najaf-Abad, Iran","volume":"5","author":"Kojouri","year":"2014","journal-title":"Vet. Res. Forum"},{"key":"B11","doi-asserted-by":"publisher","first-page":"113","DOI":"10.5958\/2277-8934.2015.00018.1","article-title":"Histopathological studies on renal lesions in dromedary camel (Camelus dromedaries)","volume":"22","author":"Saini","year":"2015","journal-title":"J Camel Pract Res"},{"key":"B12","doi-asserted-by":"publisher","DOI":"10.5958\/2277-8934.2016.00050.3","article-title":"Ultrasonographic findings in camels (Camelus dromedarius) with different urinary affections","author":"Tharwat","year":"2016","journal-title":"J Camel Pract Res."},{"key":"B13","doi-asserted-by":"publisher","first-page":"1638275","DOI":"10.3389\/fvets.2025.1638275","article-title":"Ongoing evolution of urinary tract disorders in dromedary camels (Camelus dromedarius): a comprehensive illustrated sonographic overview","volume":"12","author":"Tharwat","year":"2025","journal-title":"Front Vet Sci"},{"key":"B14","volume-title":"Camels: Management and Diseases","author":"Al-Ani","year":"2004"},{"key":"B15","doi-asserted-by":"publisher","first-page":"55","DOI":"10.5958\/2277-8934.2017.00008.X","article-title":"Pathological and serobiochemical studies on naturally occurring kidney affections in camels (Camelus dromedaries)","volume":"24","author":"Barakat","year":"2017","journal-title":"J Camel Pract Res."},{"key":"B16","first-page":"1273","article-title":"Ultrasonography of the liver and kidneys of healthy camels (Camelus dromedarius)","volume":"53","author":"Tharwat","year":"2012","journal-title":"Can Vet J"},{"key":"B17","doi-asserted-by":"publisher","first-page":"139","DOI":"10.5958\/2277-8934.2016.00023.0","article-title":"A systemic review on ultrasonographic applications in camels","volume":"23","author":"Abu-Seida","year":"2016","journal-title":"J Camel Pract Res"},{"key":"B18","doi-asserted-by":"publisher","first-page":"399","DOI":"10.1292\/jvms.19-0690","article-title":"Ultrasonography of the liver in healthy and diseased camels (Camelus dromedaries)","volume":"82","author":"Tharwat","year":"2020","journal-title":"J Vet Med Sci."},{"key":"B19","doi-asserted-by":"publisher","first-page":"300","DOI":"10.1080\/09712119.2020.1788035","article-title":"Ultrasonography of the abdomen in healthy and diseased camels (Camelus dromedaries) \u2013 a review","volume":"48","author":"Tharwat","year":"2020","journal-title":"J Appl Anim Res."},{"key":"B20","doi-asserted-by":"publisher","first-page":"1","DOI":"10.47278\/journal.ijvs\/2023.057","article-title":"Fundamentals of diagnostic ultrasound in dromedary camel medicine","volume":"13","author":"Tharwa","year":"2024","journal-title":"Int J Vet Sci"},{"key":"B21","doi-asserted-by":"publisher","first-page":"1671030","DOI":"10.3389\/fvets.2025.1671030","article-title":"Expanding the role of ultrasonography in cardiopulmonary assessment in dromedary camels","volume":"12","author":"Tharwat","year":"2025","journal-title":"Front Vet Sci."},{"key":"B22","first-page":"500","article-title":"Intestinal obstruction in dromedary camels: clinical and ultrasonographic findings as well as variations in acid-base balance, blood gases and hematobiochemical profiles","volume":"13","author":"Tharwat","year":"2024","journal-title":"Int J Agric Biosci."},{"key":"B23","doi-asserted-by":"publisher","first-page":"1639628","DOI":"10.3389\/fvets.2025.1639628","article-title":"Breaking new ground: first report of integrating clinical, hematobiochemical, sonographic, and pathological findings in dromedary camels (Camelus dromedarius) with hepatic fibrosis","volume":"12","author":"Tharwat","year":"2025","journal-title":"Front Vet Sci."},{"key":"B24","doi-asserted-by":"publisher","first-page":"8","DOI":"10.5455\/OVJ.2025.v15.i1.2","article-title":"Clinical insights on paratuberculosis in Arabian camels (Camelus dromedarius): a review","volume":"15","author":"Tharwat","year":"2025","journal-title":"Open Vet J."},{"key":"B25","doi-asserted-by":"publisher","first-page":"211","DOI":"10.47278\/journal.ijvs\/2025.141","article-title":"Thoracic and abdominal affections in dromedary camels: clinical and pathological investigations","volume":"15","author":"Tharwat","year":"2026","journal-title":"Int J Vet Sci."},{"key":"B26","volume-title":"Guide for the care and use of agricultural animals in research and teaching, Federation of Animal Science Societies.","year":"2010"},{"key":"B27","doi-asserted-by":"publisher","first-page":"85","DOI":"10.5958\/2277-8934.2021.00013.8","article-title":"Obstructive urolithiasis in dromedary camels: clinical, ultrasonographic and postmortem findings","volume":"28","author":"Tharwat","year":"2021","journal-title":"J Camel Pract Res."},{"key":"B28","doi-asserted-by":"publisher","first-page":"2463","DOI":"10.5455\/OVJ.2024.v14.i9.35","article-title":"Red urine syndrome in dromedary camels: clinical, etiological, hematobiochemical, sonographic, and pathologic findings","volume":"14","author":"Tharwat","year":"2024","journal-title":"Open Vet J"},{"key":"B29","doi-asserted-by":"publisher","first-page":"141","DOI":"10.5958\/2277-8934.2015.00022.3","article-title":"Surgical management of urinary retention in three camels (Camelus dromedarius)","volume":"22","author":"Kaswan","year":"2015","journal-title":"J Camel Pract Res"},{"key":"B30","doi-asserted-by":"publisher","first-page":"1664874","DOI":"10.3389\/fvets.2025.1664874","article-title":"Neoplasia in the dromedary camel: a review (Camelus dromedarius)","volume":"12","author":"Abu Damir","year":"2025","journal-title":"Front Vet Sci."},{"key":"B31","first-page":"33","article-title":"Observations on the topography of the reproductive tract of the Arabian female camel","volume":"3","author":"Ali","year":"2010","journal-title":"J Agri Vet Sci. Qassim University"},{"key":"B32","doi-asserted-by":"publisher","first-page":"201","DOI":"10.1016\/j.theriogenology.2016.10.022","article-title":"Erectile dysfunction in male dromedary camels: clinical findings and changes in the nitric oxide metabolite, cardiac troponin I and testosterone concentrations","volume":"89","author":"Derar","year":"2017","journal-title":"Theriogenology."},{"key":"B33","doi-asserted-by":"publisher","first-page":"291","DOI":"10.1186\/s12917-025-04713-z","article-title":"A novel approach for urethral catheterization in dromedary camels: a preclinical study","volume":"21","author":"Marzok","year":"2025","journal-title":"BMC Vet Res"},{"key":"B34","doi-asserted-by":"publisher","first-page":"1","DOI":"10.5958\/2277-8934.2017.00009.1","article-title":"Renal cell carcinoma in a female Arabian camel: clinical, hematobiochemical, ultrasonographic and pathologic findings","volume":"24","author":"Tharwat","year":"2017","journal-title":"J Camel Pract Res."},{"key":"B35","doi-asserted-by":"publisher","first-page":"211","DOI":"10.1016\/j.smallrumres.2011.09.006","article-title":"Ultrasound-guided hepatic and renal biopsy in camels (Camelus dromedarius): technique development and assessment of the safety","volume":"103","author":"Tharwat","year":"2012","journal-title":"Small Rumin Res."}],"container-title":["Frontiers in Veterinary Science"],"original-title":[],"link":[{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fvets.2026.1742804\/full","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T05:22:11Z","timestamp":1770614531000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fvets.2026.1742804\/full"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,2,9]]},"references-count":35,"alternative-id":["10.3389\/fvets.2026.1742804"],"URL":"https:\/\/doi.org\/10.3389\/fvets.2026.1742804","relation":{},"ISSN":["2297-1769"],"issn-type":[{"value":"2297-1769","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,2,9]]},"article-number":"1742804"}}