Challenging differential diagnosis
06 May 2026 : Case report 
IgA-Associated Vasculitis Presenting With Acute Abdominal Syndrome in an Older Patient
Bogumił Libura, Marcel M. Majewski, Katarzyna Pęczek-Bartyzel 
, Michał Nowicki
DOI: 10.12659/AJCR.950570
Am J Case Rep 2026; 27:e950570
587 1,125 0
06 May 2026 : Case report
IgA-Associated Vasculitis Presenting With Acute Abdominal Syndrome in an Older Patient
Bogumił Libura, Marcel M. Majewski, Katarzyna Pęczek-Bartyzel , Michał Nowicki
DOI: 10.12659/AJCR.950570
Am J Case Rep 2026; 27:e950570
587 1125 0
05 May 2026 : Case report 
Congenital Nasal Vestibular Stenosis in an 11-Year-Old: Case Report, Surgical Management, and a Proposal for Refined Nomenclature
Jingjing Guo, Shenghao Niu, Zetao Qian, Kai Ji, Hanghang Zhou, Xiaorong Lu, Xuan-Fen Zhang
DOI: 10.12659/AJCR.951330
Am J Case Rep 2026; 27:e951330
550 1,488 0
05 May 2026 : Case report
Congenital Nasal Vestibular Stenosis in an 11-Year-Old: Case Report, Surgical Management, and a Proposal for Refined Nomenclature
Jingjing Guo, Shenghao Niu, Zetao Qian, Kai Ji, Hanghang Zhou, Xiaorong Lu, Xuan-Fen Zhang
DOI: 10.12659/AJCR.951330
Am J Case Rep 2026; 27:e951330
550 1488 0
04 May 2026 : Case report 
Extensive Temporal Bone Necrosis in Petrous Bone Cholesteatoma Complicated by Actinomycosis: A Case Report
Saverio Nicoletti, Giannicola Iannella, Giuseppe Magliulo, Daniela Messineo , Alessandro Corsi , Annalisa Pace
DOI: 10.12659/AJCR.950701
Am J Case Rep 2026; 27:e950701
598 995 0
04 May 2026 : Case report
Extensive Temporal Bone Necrosis in Petrous Bone Cholesteatoma Complicated by Actinomycosis: A Case Report
Saverio Nicoletti, Giannicola Iannella, Giuseppe Magliulo, Daniela Messineo , Alessandro Corsi , Annalisa Pace
DOI: 10.12659/AJCR.950701
Am J Case Rep 2026; 27:e950701
598 995 0
03 May 2026 : Case report
An Unexpected Cause of Marathon Dyspnea: A Diagnostic Challenge in an Amateur Athlete
Martyna Świerkowska, Małgorzata Kurpaska , Paweł Krzesiński , Katarzyna Piotrowicz
DOI: 10.12659/AJCR.951838
Am J Case Rep 2026; 27:e951838
680 1,078 0
03 May 2026 : Case report
An Unexpected Cause of Marathon Dyspnea: A Diagnostic Challenge in an Amateur Athlete
Martyna Świerkowska, Małgorzata Kurpaska , Paweł Krzesiński , Katarzyna Piotrowicz
DOI: 10.12659/AJCR.951838
Am J Case Rep 2026; 27:e951838
680 1078 0
02 May 2026 : Case report 
The Dahl Concept as a Conservative Approach for Anterior Tooth Wear: A Case Report
Mohammed Abdullah Hawthan
DOI: 10.12659/AJCR.951971
Am J Case Rep 2026; 27:e951971
688 2,589 0
02 May 2026 : Case report
The Dahl Concept as a Conservative Approach for Anterior Tooth Wear: A Case Report
Mohammed Abdullah Hawthan
DOI: 10.12659/AJCR.951971
Am J Case Rep 2026; 27:e951971
688 2589 0
01 May 2026 : Case report 
Unmasking Adrenal Insufficiency in COVID-19: The Diagnostic Challenge of Concomitant Acute Kidney Injury and High Ileostomy Output
Ioanna I. Yglesias Dimadi , Afshan Hussain, Bronson Benno Joseph Raja
DOI: 10.12659/AJCR.952419
Am J Case Rep 2026; 27:e952419
745 1,452 0
01 May 2026 : Case report
Unmasking Adrenal Insufficiency in COVID-19: The Diagnostic Challenge of Concomitant Acute Kidney Injury and High Ileostomy Output
Ioanna I. Yglesias Dimadi , Afshan Hussain, Bronson Benno Joseph Raja
DOI: 10.12659/AJCR.952419
Am J Case Rep 2026; 27:e952419
745 1452 0
01 May 2026 : Case report
Retinal Granuloma Progression After Scleral Buckling in Ocular Toxocariasis: A Case Report
Xiaolan Liu, Luyun Liang , Liyan Ye, Yiqin Duan
DOI: 10.12659/AJCR.950844
Am J Case Rep 2026; 27:e950844
608 1,087 0
01 May 2026 : Case report
Retinal Granuloma Progression After Scleral Buckling in Ocular Toxocariasis: A Case Report
Xiaolan Liu, Luyun Liang , Liyan Ye, Yiqin Duan
DOI: 10.12659/AJCR.950844
Am J Case Rep 2026; 27:e950844
608 1087 0
30 Apr 2026 : Case report 
Clear Cell Renal Cell Carcinoma in a 60-Year-Old Man Arising From Congenital Left-Sided Ectopic Right Kidney (Crossed Fused Renal Ectopia) With Invasion Into the Contralateral Kidney
Shakhawan Hama Amin Said, Mzhda Sahib Jafaar, Goran M. Raouf Abdulqader, Zana Ezzat Hama Karim, Kewan Hussein Shekh Faraj , Ali Mzhda Mohammed Ali, Aland Salih Abdullah, Diyam Dlshad Hassan, Ahang Mohammed Abdulrahman
DOI: 10.12659/AJCR.952016
Am J Case Rep 2026; 27:e952016
573 1,080 0
30 Apr 2026 : Case report
Clear Cell Renal Cell Carcinoma in a 60-Year-Old Man Arising From Congenital Left-Sided Ectopic Right Kidney (Crossed Fused Renal Ectopia) With Invasion Into the Contralateral Kidney
Shakhawan Hama Amin Said, Mzhda Sahib Jafaar, Goran M. Raouf Abdulqader, Zana Ezzat Hama Karim, Kewan Hussein Shekh Faraj , Ali Mzhda Mohammed Ali, Aland Salih Abdullah, Diyam Dlshad Hassan, Ahang Mohammed Abdulrahman
DOI: 10.12659/AJCR.952016
Am J Case Rep 2026; 27:e952016
573 1080 0
26 Mar 2026 : Case report
Portal Vein Thrombosis Due to Concomitant Cytomegalovirus and Epstein-Barr Virus Infection: An Underestimated Complication
Shaya Yaanallah AlQahtani
DOI: 10.12659/AJCR.952858
Am J Case Rep 2026; 27:e952858
643 1,028 0
26 Mar 2026 : Case report
Portal Vein Thrombosis Due to Concomitant Cytomegalovirus and Epstein-Barr Virus Infection: An Underestimated Complication
Shaya Yaanallah AlQahtani
DOI: 10.12659/AJCR.952858
Am J Case Rep 2026; 27:e952858
643 1028 0
29 Apr 2026 : Case report
A Rare Case of Stevens-Johnson Syndrome in a Young Patient Presenting With Odynophagia Following Antibiotic Use
John Tomasini, Joanna Sajdlowska , Gregory Crisafulli , Hillel Ephros
DOI: 10.12659/AJCR.951823
Am J Case Rep 2026; 27:e951823
773 1,295 0
29 Apr 2026 : Case report
A Rare Case of Stevens-Johnson Syndrome in a Young Patient Presenting With Odynophagia Following Antibiotic Use
John Tomasini, Joanna Sajdlowska , Gregory Crisafulli , Hillel Ephros
DOI: 10.12659/AJCR.951823
Am J Case Rep 2026; 27:e951823
773 1295 0
28 Apr 2026 : Case report 
Prosthesis-Free Repair of Partial Atrioventricular Septal Defect in Down Syndrome: A Valve-Sparing Technique
Živojin S. Jonjev , Aleksandar M. Milosavljevic , Mirko Todić , Jovan Rajić, Kristina Jonjev
DOI: 10.12659/AJCR.951886
Am J Case Rep 2026; 27:e951886
627 974 0
28 Apr 2026 : Case report
Prosthesis-Free Repair of Partial Atrioventricular Septal Defect in Down Syndrome: A Valve-Sparing Technique
Živojin S. Jonjev , Aleksandar M. Milosavljevic , Mirko Todić , Jovan Rajić, Kristina Jonjev
DOI: 10.12659/AJCR.951886
Am J Case Rep 2026; 27:e951886
627 974 0
27 Apr 2026 : Case report 
Management of Bilateral Humeral Head Avascular Necrosis in Sickle Cell Disease Using Surgical Intervention With Adjuvant Hyperbaric Oxygen Therapy: A Case Report
Abdulla A. Aljowder, Waleed Y. Ebrahim, Omar Abusedera, Konouz Alfadhli, Noor Jaragh, Leen Zghaier, Awrad J. Alkhaldi
DOI: 10.12659/AJCR.951902
Am J Case Rep 2026; 27:e951902
1,049 1,413 0
27 Apr 2026 : Case report
Management of Bilateral Humeral Head Avascular Necrosis in Sickle Cell Disease Using Surgical Intervention With Adjuvant Hyperbaric Oxygen Therapy: A Case Report
Abdulla A. Aljowder, Waleed Y. Ebrahim, Omar Abusedera, Konouz Alfadhli, Noor Jaragh, Leen Zghaier, Awrad J. Alkhaldi
DOI: 10.12659/AJCR.951902
Am J Case Rep 2026; 27:e951902
1049 1413 0
27 Apr 2026 : Case report
Gastric Sarcoidosis Masquerading as Gastroesophageal Reflux Disease: A Case of Diagnostic Uncertainty and Conservative Management
Olanrewaju Adeniran , Abdullahi Sulaiman, Megan Willard
DOI: 10.12659/AJCR.951952
Am J Case Rep 2026; 27:e951952
1,001 1,923 0
27 Apr 2026 : Case report
Gastric Sarcoidosis Masquerading as Gastroesophageal Reflux Disease: A Case of Diagnostic Uncertainty and Conservative Management
Olanrewaju Adeniran , Abdullahi Sulaiman, Megan Willard
DOI: 10.12659/AJCR.951952
Am J Case Rep 2026; 27:e951952
1001 1923 0
26 Apr 2026 : Case report
Metformin-Associated Functional Vitamin B12 Deficiency Presenting as Subacute Combined Degeneration in a 57-Year-Old Man With Diabetes Mellitus
Ruixiang Zhang, Luoning Gou, Xinrong Zhou
DOI: 10.12659/AJCR.952205
Am J Case Rep 2026; 27:e952205
1,191 3,639 0
26 Apr 2026 : Case report
Metformin-Associated Functional Vitamin B12 Deficiency Presenting as Subacute Combined Degeneration in a 57-Year-Old Man With Diabetes Mellitus
Ruixiang Zhang, Luoning Gou, Xinrong Zhou
DOI: 10.12659/AJCR.952205
Am J Case Rep 2026; 27:e952205
1191 3639 0
24 Apr 2026 : Case report
Diagnostic and Treatment Strategies for Adult Non-Ossifying Fibromas: A Case Report and Literature Review
Zhibin Zhao, Jiawei Li, Shaoke Wu
DOI: 10.12659/AJCR.951665
Am J Case Rep 2026; 27:e951665
1,160 4,543 0
24 Apr 2026 : Case report
Diagnostic and Treatment Strategies for Adult Non-Ossifying Fibromas: A Case Report and Literature Review
Zhibin Zhao, Jiawei Li, Shaoke Wu
DOI: 10.12659/AJCR.951665
Am J Case Rep 2026; 27:e951665
1160 4543 0
18 Apr 2026 : Case report
Cefiderocol Heteroresistance in NDM-Producing Enterobacterales: A Complex Polymicrobial Infection Successfully Salvaged With Ceftazidime-Avibactam Plus Aztreonam
Mustafa Nuaimi, Jonathan Cirillo, Sara Usbosy, Daniel Egan, Amanda Kovacich, Mario Madruga, Stephen J. Carlan
DOI: 10.12659/AJCR.952266
Am J Case Rep 2026; 27:e952266
758 1,261 0
18 Apr 2026 : Case report
Cefiderocol Heteroresistance in NDM-Producing Enterobacterales: A Complex Polymicrobial Infection Successfully Salvaged With Ceftazidime-Avibactam Plus Aztreonam
Mustafa Nuaimi, Jonathan Cirillo, Sara Usbosy, Daniel Egan, Amanda Kovacich, Mario Madruga, Stephen J. Carlan
DOI: 10.12659/AJCR.952266
Am J Case Rep 2026; 27:e952266
758 1261 0
22 Apr 2026 : Case report 
Diagnostic Approaches to Adult Cystic Nephroma: Insights From Two Cases
Madalina Bosoteanu, Raluca Ioana Vodă, Cristian Ionut Orășanu , Luana-Andreea Nurla, Nicolae Ciufu
DOI: 10.12659/AJCR.950808
Am J Case Rep 2026; 27:e950808
915 2,005 0
22 Apr 2026 : Case report
Diagnostic Approaches to Adult Cystic Nephroma: Insights From Two Cases
Madalina Bosoteanu, Raluca Ioana Vodă, Cristian Ionut Orășanu , Luana-Andreea Nurla, Nicolae Ciufu
DOI: 10.12659/AJCR.950808
Am J Case Rep 2026; 27:e950808
915 2005 0
17 Apr 2026 : Case report
Cocaine–Levamisole-Associated Vasculopathy Mimicking ANCA-Associated Vasculitis and Presenting With Pulmonary–Renal Syndrome Requiring VV-ECMO Support
Zahra Vaezi , Afshin Amini
DOI: 10.12659/AJCR.951159
Am J Case Rep 2026; 27:e951159
643 1,298 0
17 Apr 2026 : Case report
Cocaine–Levamisole-Associated Vasculopathy Mimicking ANCA-Associated Vasculitis and Presenting With Pulmonary–Renal Syndrome Requiring VV-ECMO Support
Zahra Vaezi , Afshin Amini
DOI: 10.12659/AJCR.951159
Am J Case Rep 2026; 27:e951159
643 1298 0
14 Apr 2026 : Case report
Hemoglobin San Diego: A Case Report and Review of the Literature
Matthew L. Repp, Brandon McMahon
DOI: 10.12659/AJCR.951364
Am J Case Rep 2026; 27:e951364
584 1,278 0
14 Apr 2026 : Case report
Hemoglobin San Diego: A Case Report and Review of the Literature
Matthew L. Repp, Brandon McMahon
DOI: 10.12659/AJCR.951364
Am J Case Rep 2026; 27:e951364
584 1278 0
24 Apr 2026 : Case report
A 68-Year-Old Man With Neutrophil-Rich Hepatoid Adenocarcinoma of the Gallbladder
Mingxia Chen , Fanhong Kong , Min Wang, Yuanyuan Li, Baojuan Gao
DOI: 10.12659/AJCR.950825
Am J Case Rep 2026; 27:e950825
1,021 1,351 0
24 Apr 2026 : Case report
A 68-Year-Old Man With Neutrophil-Rich Hepatoid Adenocarcinoma of the Gallbladder
Mingxia Chen , Fanhong Kong , Min Wang, Yuanyuan Li, Baojuan Gao
DOI: 10.12659/AJCR.950825
Am J Case Rep 2026; 27:e950825
1021 1351 0
23 Apr 2026 : Case report 
Bacteremia and Liver Failure Due to Non-K1 Escherichia coli With iss Gene in Two Full-Term Infants
Yuuki Shikaze, Shinsuke Mizuno , Ryousuke Bou, Hiroshi Kurosawa , Naoko Imuta, Junichiro Nishi, Masashi Kasai
DOI: 10.12659/AJCR.949819
Am J Case Rep 2026; 27:e949819
1,092 1,461 0
23 Apr 2026 : Case report
Bacteremia and Liver Failure Due to Non-K1 Escherichia coli With iss Gene in Two Full-Term Infants
Yuuki Shikaze, Shinsuke Mizuno , Ryousuke Bou, Hiroshi Kurosawa , Naoko Imuta, Junichiro Nishi, Masashi Kasai
DOI: 10.12659/AJCR.949819
Am J Case Rep 2026; 27:e949819
1092 1461 0
22 Apr 2026 : Case report
Spinal Tuberculosis Diagnosed by Metagenomics Capture (MetaCAP) in a Patient Undergoing Maintenance Hemodialysis: A Case Report
Mengyao Song, Zheng Zhang, Haiyan Huang , Zhizhen Zou, Sichun Wen, Yanhai Cui, Shuangxin Liu
DOI: 10.12659/AJCR.951840
Am J Case Rep 2026; 27:e951840
1,334 1,735 0
22 Apr 2026 : Case report
Spinal Tuberculosis Diagnosed by Metagenomics Capture (MetaCAP) in a Patient Undergoing Maintenance Hemodialysis: A Case Report
Mengyao Song, Zheng Zhang, Haiyan Huang , Zhizhen Zou, Sichun Wen, Yanhai Cui, Shuangxin Liu
DOI: 10.12659/AJCR.951840
Am J Case Rep 2026; 27:e951840
1334 1735 0
18 Apr 2026 : Case report
Prenatal Diagnosis of Renal Cysts and Diabetes Syndrome (RCAD): A Case Report
Maisa Manasar-Dyrbuś , Rafał Stojko , Monika Paul-Samojedny , Ewa Winkowska , Jakub Staniczek
DOI: 10.12659/AJCR.951250
Am J Case Rep 2026; 27:e951250
827 1,384 0
18 Apr 2026 : Case report
Prenatal Diagnosis of Renal Cysts and Diabetes Syndrome (RCAD): A Case Report
Maisa Manasar-Dyrbuś , Rafał Stojko , Monika Paul-Samojedny , Ewa Winkowska , Jakub Staniczek
DOI: 10.12659/AJCR.951250
Am J Case Rep 2026; 27:e951250
827 1384 0
15 Apr 2026 : Case report 
Left-Sided Gallbladder in the Absence of Situs Inversus: Case Report and Surgical Implications
Felipe Fernandes Teles, Gabriela Karabachian Tebar, Bruno Henrique Pieruci Florenzano, Victor Hugo Fernandes Teles, Leandro Miranda Trama, Marcelo Augusto A. F. F. Ribeiro Junior
DOI: 10.12659/AJCR.950307
Am J Case Rep 2026; 27:e950307
561 905 0
15 Apr 2026 : Case report
Left-Sided Gallbladder in the Absence of Situs Inversus: Case Report and Surgical Implications
Felipe Fernandes Teles, Gabriela Karabachian Tebar, Bruno Henrique Pieruci Florenzano, Victor Hugo Fernandes Teles, Leandro Miranda Trama, Marcelo Augusto A. F. F. Ribeiro Junior
DOI: 10.12659/AJCR.950307
Am J Case Rep 2026; 27:e950307
561 905 0
19 Apr 2026 : Case report 
Intramuscular Cavernous Hemangioma of the Latissimus Dorsi Muscle: A Rare Presentation of Chronic Musculoskeletal Pain – Case Report
Zhuang-Ying Lee, Terence Ming Kwan Chin, Kin-Fah Chin, Julia Munchar Jajuli, Keh Oon Ong
DOI: 10.12659/AJCR.952352
Am J Case Rep 2026; 27:e952352
564 1,097 0
19 Apr 2026 : Case report
Intramuscular Cavernous Hemangioma of the Latissimus Dorsi Muscle: A Rare Presentation of Chronic Musculoskeletal Pain – Case Report
Zhuang-Ying Lee, Terence Ming Kwan Chin, Kin-Fah Chin, Julia Munchar Jajuli, Keh Oon Ong
DOI: 10.12659/AJCR.952352
Am J Case Rep 2026; 27:e952352
564 1097 0
In Press
Case report 
Am J Case Rep In Press; DOI: 10.12659/AJCR.952921
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.953836
Case report 
Am J Case Rep In Press; DOI: 10.12659/AJCR.953506
Case report 
Am J Case Rep In Press; DOI: 10.12659/AJCR.953059
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