Challenging differential diagnosis
19 May 2026 : Case report 
Erythrovirus-B19-Induced Pure Red Cell Aplasia Revealing Untreated HIV Infection
Pedro Moreno Fonseca 
, Jaysa Pizzi , Frederico da Cunha Abbott , Gisele Oro Boff , Andressa Noal , Verônica Farias, Irajane Assis de Albuquerque , Nicole Reis
DOI: 10.12659/AJCR.952075
Am J Case Rep 2026; 27:e952075
358 431 0
19 May 2026 : Case report
Erythrovirus-B19-Induced Pure Red Cell Aplasia Revealing Untreated HIV Infection
Pedro Moreno Fonseca , Jaysa Pizzi , Frederico da Cunha Abbott , Gisele Oro Boff , Andressa Noal , Verônica Farias, Irajane Assis de Albuquerque , Nicole Reis
DOI: 10.12659/AJCR.952075
Am J Case Rep 2026; 27:e952075
358 431 0
19 May 2026 : Case report 
Neonatal-Onset Refractory Thrombocytopenia and Anemia Associated With a Homozygous In-Frame NFE2 Duplication
Mohammed Shahab Uddin , Maan Albehair , Fayez Nashi Motlaq Alshammari , Amr Esmail, Khaled Shafeen , Abdullah Bin Hassan , Hana Bawazier
DOI: 10.12659/AJCR.952024
Am J Case Rep 2026; 27:e952024
331 543 0
19 May 2026 : Case report
Neonatal-Onset Refractory Thrombocytopenia and Anemia Associated With a Homozygous In-Frame NFE2 Duplication
Mohammed Shahab Uddin , Maan Albehair , Fayez Nashi Motlaq Alshammari , Amr Esmail, Khaled Shafeen , Abdullah Bin Hassan , Hana Bawazier
DOI: 10.12659/AJCR.952024
Am J Case Rep 2026; 27:e952024
331 543 0
18 May 2026 : Case report 
Imported Pediatric Paragonimiasis in China: Two Cases From Zhaotong to Hangzhou
Yuan Huang, Meixia Huang, Yang Yang, Guohong Zhu
DOI: 10.12659/AJCR.952630
Am J Case Rep 2026; 27:e952630
320 432 0
18 May 2026 : Case report
Imported Pediatric Paragonimiasis in China: Two Cases From Zhaotong to Hangzhou
Yuan Huang, Meixia Huang, Yang Yang, Guohong Zhu
DOI: 10.12659/AJCR.952630
Am J Case Rep 2026; 27:e952630
320 432 0
17 May 2026 : Case report 
Severe Methemoglobinemia Due to Accidental Ingestion of Nitrite-Containing Nail Polish Remover: A Case Report
Lauren A. Gould , Matthew Carman , Mary Branan Zahn, John Amatea
DOI: 10.12659/AJCR.952382
Am J Case Rep 2026; 27:e952382
356 1,028 0
17 May 2026 : Case report
Severe Methemoglobinemia Due to Accidental Ingestion of Nitrite-Containing Nail Polish Remover: A Case Report
Lauren A. Gould , Matthew Carman , Mary Branan Zahn, John Amatea
DOI: 10.12659/AJCR.952382
Am J Case Rep 2026; 27:e952382
356 1028 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
314 401 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
314 401 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
285 483 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
285 483 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
403 479 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
403 479 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
367 992 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
367 992 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
358 458 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
358 458 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
405 425 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
405 425 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
366 776 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
366 776 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
444 577 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
444 577 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
495 580 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
495 580 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
254 363 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
254 363 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
345 461 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
345 461 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
1,239 3,803 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
1239 3803 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
499 617 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
499 617 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
261 368 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
261 368 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
468 480 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
468 480 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
319 455 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
319 455 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
296 469 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
296 469 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
322 432 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
322 432 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
370 511 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
370 511 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
356 854 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
356 854 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
455 673 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
455 673 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
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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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