Challenging differential diagnosis
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
350 467 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
350 467 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
284 408 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
284 408 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
363 479 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
363 479 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
461 693 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
461 693 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
300 420 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
300 420 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
520 633 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
520 633 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
509 807 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
509 807 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
695 1,689 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
695 1689 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
568 1,128 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
568 1128 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
482 630 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
482 630 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
457 560 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
457 560 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
397 670 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
397 670 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
306 507 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
306 507 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
496 608 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
496 608 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
548 629 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
548 629 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
679 787 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
679 787 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
546 745 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
546 745 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
324 418 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
324 418 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
305 402 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
305 402 0
16 Apr 2026 : Case report 
Granulomatosis with Polyangiitis (Wegener Granulomatosis) Presenting as a Pancreatic Mass: A Rare Malignancy Mimic
Soumyadip Sain , Subhashish Das, Vinant Bhargava, Sunila Jain, Samiran Nundy
DOI: 10.12659/AJCR.951707
Am J Case Rep 2026; 27:e951707
450 661 0
16 Apr 2026 : Case report
Granulomatosis with Polyangiitis (Wegener Granulomatosis) Presenting as a Pancreatic Mass: A Rare Malignancy Mimic
Soumyadip Sain , Subhashish Das, Vinant Bhargava, Sunila Jain, Samiran Nundy
DOI: 10.12659/AJCR.951707
Am J Case Rep 2026; 27:e951707
450 661 0
16 Apr 2026 : Case report
Efgartigimod as Rescue Therapy for PD-1 Inhibitor–Associated Myasthenia Gravis, Myocarditis, and Myositis (MMM) Syndrome: A 2-Case Report and Literature Review
Zi-Han Liu, Li-Min Duan, Xiang-Zhi Fang, Wen Jiang, Sheng-Wen Sun, You Shang , Chao-Lin Huang , Yin Yuan
DOI: 10.12659/AJCR.951872
Am J Case Rep 2026; 27:e951872
596 849 0
16 Apr 2026 : Case report
Efgartigimod as Rescue Therapy for PD-1 Inhibitor–Associated Myasthenia Gravis, Myocarditis, and Myositis (MMM) Syndrome: A 2-Case Report and Literature Review
Zi-Han Liu, Li-Min Duan, Xiang-Zhi Fang, Wen Jiang, Sheng-Wen Sun, You Shang , Chao-Lin Huang , Yin Yuan
DOI: 10.12659/AJCR.951872
Am J Case Rep 2026; 27:e951872
596 849 0
12 Apr 2026 : Case report 
Isolated Mental Nerve Neuropathy as the First Clinical Sign of Nodal Marginal Zone Lymphoma: A Diagnostic Challenge
Anusha Abdullah, Philipp Poxleitner, Ina Dewenter, Paris Liokatis , Wenko Smolka, Katharina Theresa Obermeier
DOI: 10.12659/AJCR.952353
Am J Case Rep 2026; 27:e952353
388 538 0
12 Apr 2026 : Case report
Isolated Mental Nerve Neuropathy as the First Clinical Sign of Nodal Marginal Zone Lymphoma: A Diagnostic Challenge
Anusha Abdullah, Philipp Poxleitner, Ina Dewenter, Paris Liokatis , Wenko Smolka, Katharina Theresa Obermeier
DOI: 10.12659/AJCR.952353
Am J Case Rep 2026; 27:e952353
388 538 0
14 Apr 2026 : Case report
Persistent Bilateral Optic Disc Swelling in Non-Syndromic Retinitis Pigmentosa: A Case Report
Maram Alenazi, Moustafa S. Magliyah, Wael A. Alsakran
DOI: 10.12659/AJCR.951708
Am J Case Rep 2026; 27:e951708
346 436 0
14 Apr 2026 : Case report
Persistent Bilateral Optic Disc Swelling in Non-Syndromic Retinitis Pigmentosa: A Case Report
Maram Alenazi, Moustafa S. Magliyah, Wael A. Alsakran
DOI: 10.12659/AJCR.951708
Am J Case Rep 2026; 27:e951708
346 436 0
12 Apr 2026 : Case report
Successful Spontaneous Twin Pregnancy Following Bone Marrow Transplant and Gastric Cancer Surgery: A Case Report
Hessa Khalid Sulaiman Almuhaisen , Sara Abdulaziz AlShubat , Ashwaq Nasser AlRaqeeb , Elham Awad Saeed AlQarni
DOI: 10.12659/AJCR.951965
Am J Case Rep 2026; 27:e951965
423 588 0
12 Apr 2026 : Case report
Successful Spontaneous Twin Pregnancy Following Bone Marrow Transplant and Gastric Cancer Surgery: A Case Report
Hessa Khalid Sulaiman Almuhaisen , Sara Abdulaziz AlShubat , Ashwaq Nasser AlRaqeeb , Elham Awad Saeed AlQarni
DOI: 10.12659/AJCR.951965
Am J Case Rep 2026; 27:e951965
423 588 0
11 Apr 2026 : Case report
Recurrent Bilateral Macular Edema Linked to NOTCH2NLC GGC Repeat Expansion: A Case Report
Ruikang Tan, Minming Zheng, Zheng Zheng, Caixin Wu, Wenli Liu, Ziyan Xu
DOI: 10.12659/AJCR.951749
Am J Case Rep 2026; 27:e951749
294 484 0
11 Apr 2026 : Case report
Recurrent Bilateral Macular Edema Linked to NOTCH2NLC GGC Repeat Expansion: A Case Report
Ruikang Tan, Minming Zheng, Zheng Zheng, Caixin Wu, Wenli Liu, Ziyan Xu
DOI: 10.12659/AJCR.951749
Am J Case Rep 2026; 27:e951749
294 484 0
In Press
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.949976
Case report 
Am J Case Rep In Press; DOI: 10.12659/AJCR.950290
Case report 
Am J Case Rep In Press; DOI: 10.12659/AJCR.950607
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.950985
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