Challenging differential diagnosis
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
319 270 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
319 270 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
291 567 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
291 567 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
363 397 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
363 397 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
400 404 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
400 404 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
203 255 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
203 255 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
290 325 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
290 325 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
1,100 2,227 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
1100 2227 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
397 409 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
397 409 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
218 239 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
218 239 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
406 326 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
406 326 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
259 310 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
259 310 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
246 323 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
246 323 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
259 304 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
259 304 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
308 368 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
308 368 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
296 472 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
296 472 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
404 529 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
404 529 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
279 329 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
279 329 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
240 292 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
240 292 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
306 367 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
306 367 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
397 544 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
397 544 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
258 307 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
258 307 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
413 473 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
413 473 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
403 595 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
403 595 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
566 1,254 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
566 1254 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
452 656 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
452 656 0
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Am J Case Rep In Press; DOI: 10.12659/AJCR.949976
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Am J Case Rep In Press; DOI: 10.12659/AJCR.950290
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Am J Case Rep In Press; DOI: 10.12659/AJCR.950607
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Am J Case Rep In Press; DOI: 10.12659/AJCR.950985
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