Challenging differential diagnosis

17 May 2026 : Case report
A Young Woman With Ulcerative Colitis Presenting With Facial Diplegia, a Variant of Guillain-Barré Syndrome
Rong Wei
, Zhiyan Zhang, Xiaohua Mu, Li Zhou
DOI: 10.12659/AJCR.950263
Am J Case Rep 2026; 27:e950263
727 1,208 0

17 May 2026 : Case report
A Young Woman With Ulcerative Colitis Presenting With Facial Diplegia, a Variant of Guillain-Barré Syndrome
Rong Wei
, Zhiyan Zhang, Xiaohua Mu, Li Zhou
DOI: 10.12659/AJCR.950263
Am J Case Rep 2026; 27:e950263
727 1208 0

15 May 2026 : Case report
Successful Separation of Female Omphalopagus Conjoined Twins at the Mother and Child University Hospital Center in N’Djamena, Chad: A Case Report
Olivier Ngaringuem
, Mahamat Nour Abakar Djibrine
, Lamega Bembo, Ngaringuem Adrienne, Souam Silé Ngembayo, Soukaya Brahim, Adjougoulta Bonté, Kalki Djian-Noné
DOI: 10.12659/AJCR.952035
Am J Case Rep 2026; 27:e952035
627 1,524 0

15 May 2026 : Case report
Successful Separation of Female Omphalopagus Conjoined Twins at the Mother and Child University Hospital Center in N’Djamena, Chad: A Case Report
Olivier Ngaringuem
, Mahamat Nour Abakar Djibrine
, Lamega Bembo, Ngaringuem Adrienne, Souam Silé Ngembayo, Soukaya Brahim, Adjougoulta Bonté, Kalki Djian-Noné
DOI: 10.12659/AJCR.952035
Am J Case Rep 2026; 27:e952035
627 1524 0

15 May 2026 : Case report
A 56-Year-Old Woman With Systemic Lupus Erythematosus on Trimethoprim-Sulfamethoxazole Prophylaxis Presenting With Breakthrough Nocardiosis
Ming Lu, Jingwen Zhang, Ying Liu, Feng Nie, Tianyu Zou, Haijun Li, Ping Li, Tianxin Xiang
DOI: 10.12659/AJCR.952006
Am J Case Rep 2026; 27:e952006
706 1,243 0

15 May 2026 : Case report
A 56-Year-Old Woman With Systemic Lupus Erythematosus on Trimethoprim-Sulfamethoxazole Prophylaxis Presenting With Breakthrough Nocardiosis
Ming Lu, Jingwen Zhang, Ying Liu, Feng Nie, Tianyu Zou, Haijun Li, Ping Li, Tianxin Xiang
DOI: 10.12659/AJCR.952006
Am J Case Rep 2026; 27:e952006
706 1243 0

14 May 2026 : Case report
Successful Whole-Lung Lavage in Anti–GM-CSF–Negative Pulmonary Alveolar Proteinosis: A Case Report
Hoan Le, Giang Thi Nguyen, Cuong Ngoc Nguyen, Viet Vu Hoang Nguyen, Duong Dong Nguyen, Hang Minh Le, Van Anh Thi Nguyen, Son Hong Chu, Van Anh Thanh Nguyen
DOI: 10.12659/AJCR.952616
Am J Case Rep 2026; 27:e952616
857 2,419 0

14 May 2026 : Case report
Successful Whole-Lung Lavage in Anti–GM-CSF–Negative Pulmonary Alveolar Proteinosis: A Case Report
Hoan Le, Giang Thi Nguyen, Cuong Ngoc Nguyen, Viet Vu Hoang Nguyen, Duong Dong Nguyen, Hang Minh Le, Van Anh Thi Nguyen, Son Hong Chu, Van Anh Thanh Nguyen
DOI: 10.12659/AJCR.952616
Am J Case Rep 2026; 27:e952616
857 2419 0

13 May 2026 : Case report
Meningoencephalitis Caused by Escherichia coli in an Adult With No Known Immunocompromising Conditions: A Case Report
Silviya Stoyanova
, Emilia Naseva
, Tsvetelina Velikova
, Zorka Ramsheva
, Konstantin Ramshev
DOI: 10.12659/AJCR.953021
Am J Case Rep 2026; 27:e953021
707 2,054 0

13 May 2026 : Case report
Meningoencephalitis Caused by Escherichia coli in an Adult With No Known Immunocompromising Conditions: A Case Report
Silviya Stoyanova
, Emilia Naseva
, Tsvetelina Velikova
, Zorka Ramsheva
, Konstantin Ramshev
DOI: 10.12659/AJCR.953021
Am J Case Rep 2026; 27:e953021
707 2054 0

12 May 2026 : Case report
Sleeve Resection of the Right Upper Lobe for Tracheobronchial Metastasis of Hepatocellular Carcinoma With Superior Vena Cava Involvement: A Case Report and Literature Review
Peng Cao, Yulin Wang, Qing Wang, Wei Cai, Rui Zhang
, Zhigang Li, Junfeng Geng
DOI: 10.12659/AJCR.952125
Am J Case Rep 2026; 27:e952125
885 1,272 0

12 May 2026 : Case report
Sleeve Resection of the Right Upper Lobe for Tracheobronchial Metastasis of Hepatocellular Carcinoma With Superior Vena Cava Involvement: A Case Report and Literature Review
Peng Cao, Yulin Wang, Qing Wang, Wei Cai, Rui Zhang
, Zhigang Li, Junfeng Geng
DOI: 10.12659/AJCR.952125
Am J Case Rep 2026; 27:e952125
885 1272 0

12 May 2026 : Case report
Life-Threatening Orbital and Intracranial Sequelae of Odontogenic Sinusitis: 3 Complex Cases
Łukasz Skrzypiec
, Dariusz Jurkiewicz
, Marta Aleksandra Kwiatkowska
DOI: 10.12659/AJCR.952050
Am J Case Rep 2026; 27:e952050
758 2,011 0

12 May 2026 : Case report
Life-Threatening Orbital and Intracranial Sequelae of Odontogenic Sinusitis: 3 Complex Cases
Łukasz Skrzypiec
, Dariusz Jurkiewicz
, Marta Aleksandra Kwiatkowska
DOI: 10.12659/AJCR.952050
Am J Case Rep 2026; 27:e952050
758 2011 0

11 May 2026 : Case report
Subcarinal Mass: An Unusual Presentation of Granulomatosis With Polyangiitis
Giancarlo Licitra, Alejandro Joglar, William M. Britt, David Krakow, Babar Junaidi
DOI: 10.12659/AJCR.952160
Am J Case Rep 2026; 27:e952160
840 1,621 0

11 May 2026 : Case report
Subcarinal Mass: An Unusual Presentation of Granulomatosis With Polyangiitis
Giancarlo Licitra, Alejandro Joglar, William M. Britt, David Krakow, Babar Junaidi
DOI: 10.12659/AJCR.952160
Am J Case Rep 2026; 27:e952160
840 1621 0

10 May 2026 : Case report
A Case of Pernicious Anemia Induced by Atezolizumab in Hepatocellular Carcinoma and Renal Cell Carcinoma
Takeshi Sugimoto, Gen Kanemori, Hirohumi Kanehira, Akihito Kitao, Yoshiaki Nagatani
DOI: 10.12659/AJCR.952800
Am J Case Rep 2026; 27:e952800
952 1,492 0

10 May 2026 : Case report
A Case of Pernicious Anemia Induced by Atezolizumab in Hepatocellular Carcinoma and Renal Cell Carcinoma
Takeshi Sugimoto, Gen Kanemori, Hirohumi Kanehira, Akihito Kitao, Yoshiaki Nagatani
DOI: 10.12659/AJCR.952800
Am J Case Rep 2026; 27:e952800
952 1492 0

09 May 2026 : Case report
Uncommon Presentation of Substernal Chylothorax Following Coronary Artery Bypass Grafting Without LIMA Harvest: An Atypical Case
Yan Efrata Sembiring, Fan Maitri Aldian
, Jeswant Dillon
DOI: 10.12659/AJCR.952237
Am J Case Rep 2026; 27:e952237
548 1,094 0

09 May 2026 : Case report
Uncommon Presentation of Substernal Chylothorax Following Coronary Artery Bypass Grafting Without LIMA Harvest: An Atypical Case
Yan Efrata Sembiring, Fan Maitri Aldian
, Jeswant Dillon
DOI: 10.12659/AJCR.952237
Am J Case Rep 2026; 27:e952237
548 1094 0

09 May 2026 : Case report
An Uncommon Presentation of Heyde Syndrome: Absence of Visible Endoscopic Angiodysplasia With Resolution After Transcatheter Aortic Valve Replacement
Ronnie A. Napoles, Cristina Benites
, Gabriella Morey, Anthony H. Xu, Luis Santiago Zayas, Kristen Santana
, Livasky Concepcion Perez
DOI: 10.12659/AJCR.951614
Am J Case Rep 2026; 27:e951614
663 1,279 0

09 May 2026 : Case report
An Uncommon Presentation of Heyde Syndrome: Absence of Visible Endoscopic Angiodysplasia With Resolution After Transcatheter Aortic Valve Replacement
Ronnie A. Napoles, Cristina Benites
, Gabriella Morey, Anthony H. Xu, Luis Santiago Zayas, Kristen Santana
, Livasky Concepcion Perez
DOI: 10.12659/AJCR.951614
Am J Case Rep 2026; 27:e951614
663 1279 0

08 May 2026 : Case report
Cutaneous Allodynia Associated With GLP-1RA Tirzepatide for Weight Management: A Case Series
Madhu Parna Chakrabarti
, Steven Han
, Natasha M. Campbell
DOI: 10.12659/AJCR.952158
Am J Case Rep 2026; 27:e952158
2,589 92,976 0

08 May 2026 : Case report
Cutaneous Allodynia Associated With GLP-1RA Tirzepatide for Weight Management: A Case Series
Madhu Parna Chakrabarti
, Steven Han
, Natasha M. Campbell
DOI: 10.12659/AJCR.952158
Am J Case Rep 2026; 27:e952158
2589 92976 0

08 May 2026 : Case report
Reversible Rituximab-Induced Bronchiectasis: A Pediatric Case Report and Literature Review
Nasser AlHarbi, Ahmed AlEidan
, Masheal A. AlZanbagi
DOI: 10.12659/AJCR.952043
Am J Case Rep 2026; 27:e952043
1,004 1,683 0

08 May 2026 : Case report
Reversible Rituximab-Induced Bronchiectasis: A Pediatric Case Report and Literature Review
Nasser AlHarbi, Ahmed AlEidan
, Masheal A. AlZanbagi
DOI: 10.12659/AJCR.952043
Am J Case Rep 2026; 27:e952043
1004 1683 0

07 May 2026 : Case report
Multidisciplinary Surgical Management for a Pregnant Patient With Acute Type A Aortic Dissection
Haiyuan Liu, Junbo Feng
DOI: 10.12659/AJCR.952185
Am J Case Rep 2026; 27:e952185
578 1,098 0

07 May 2026 : Case report
Multidisciplinary Surgical Management for a Pregnant Patient With Acute Type A Aortic Dissection
Haiyuan Liu, Junbo Feng
DOI: 10.12659/AJCR.952185
Am J Case Rep 2026; 27:e952185
578 1098 0

07 May 2026 : Case report
Caught in Transit: Mobile Right Atrial Thrombus in Intermediate-High-Risk Pulmonary Embolism Treated With Half-Dose Alteplase
Wael Gomaa, Khaled Sewify, Eslam Elsayed Abdelshafey, Abdulaziz Alsaher, Ragheb Elmessery, Fadah Alanazi, Adel Azmy, Khalid Al Faraidy
DOI: 10.12659/AJCR.952646
Am J Case Rep 2026; 27:e952646
909 1,732 0

07 May 2026 : Case report
Caught in Transit: Mobile Right Atrial Thrombus in Intermediate-High-Risk Pulmonary Embolism Treated With Half-Dose Alteplase
Wael Gomaa, Khaled Sewify, Eslam Elsayed Abdelshafey, Abdulaziz Alsaher, Ragheb Elmessery, Fadah Alanazi, Adel Azmy, Khalid Al Faraidy
DOI: 10.12659/AJCR.952646
Am J Case Rep 2026; 27:e952646
909 1732 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
682 1,393 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
682 1393 0

06 May 2026 : Case report
Splenic Marginal Zone Lymphoma as a Vascular-Appearing Mass in a Patient With Sustained Virologic Response to Hepatitis C Therapy
Xu Hao Isaac Tan, Han Ning Yee
, Kah Wai Clarence Kwan, Alvin Yong Hui Tan
, Shawn Kok
, Min On Tan
DOI: 10.12659/AJCR.953179
Am J Case Rep 2026; 27:e953179
717 1,207 0

06 May 2026 : Case report
Splenic Marginal Zone Lymphoma as a Vascular-Appearing Mass in a Patient With Sustained Virologic Response to Hepatitis C Therapy
Xu Hao Isaac Tan, Han Ning Yee
, Kah Wai Clarence Kwan, Alvin Yong Hui Tan
, Shawn Kok
, Min On Tan
DOI: 10.12659/AJCR.953179
Am J Case Rep 2026; 27:e953179
717 1207 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
665 2,015 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
665 2015 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
712 1,280 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
712 1280 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
771 1,352 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
771 1352 0

02 May 2026 : Case report
The Dahl Concept as a Conservative Approach for Anterior Tooth Wear: A Case Report
DOI: 10.12659/AJCR.951971
Am J Case Rep 2026; 27:e951971
883 3,719 0

02 May 2026 : Case report
The Dahl Concept as a Conservative Approach for Anterior Tooth Wear: A Case Report
DOI: 10.12659/AJCR.951971
Am J Case Rep 2026; 27:e951971
883 3719 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
876 1,817 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
876 1817 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
705 1,380 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
705 1380 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
697 1,384 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
697 1384 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
912 1,588 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
912 1588 0
In Press
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Am J Case Rep In Press; DOI: 10.12659/AJCR.954216
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Am J Case Rep In Press; DOI: 10.12659/AJCR.953555
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