Unusual clinical course

16 May 2026 : Case report
Long-Term Response to Pembrolizumab in Metastatic Metaplastic Breast Carcinoma: A Case Report
Yuki Oshima, Takamasa Suzuki, Yumi Fukaya, Keiko Hosoya, Yuko Tanaka, Makoto Wakahara, Yoshihisa Umekita, Yugo Tanaka
DOI: 10.12659/AJCR.952330
Am J Case Rep 2026; 27:e952330
587 821 0

16 May 2026 : Case report
Long-Term Response to Pembrolizumab in Metastatic Metaplastic Breast Carcinoma: A Case Report
Yuki Oshima, Takamasa Suzuki, Yumi Fukaya, Keiko Hosoya, Yuko Tanaka, Makoto Wakahara, Yoshihisa Umekita, Yugo Tanaka
DOI: 10.12659/AJCR.952330
Am J Case Rep 2026; 27:e952330
587 821 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
474 641 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
474 641 0

14 May 2026 : Case report
A 56-Year-Old Male Farmer From China With Severe Fever With Thrombocytopenia Syndrome and Pulmonary Aspergillosis: A Case Report and Review of Literature
Xiaoheng Lai
, Quanyuan Gao, Lifang Wu
DOI: 10.12659/AJCR.951798
Am J Case Rep 2026; 27:e951798
664 909 0

14 May 2026 : Case report
A 56-Year-Old Male Farmer From China With Severe Fever With Thrombocytopenia Syndrome and Pulmonary Aspergillosis: A Case Report and Review of Literature
Xiaoheng Lai
, Quanyuan Gao, Lifang Wu
DOI: 10.12659/AJCR.951798
Am J Case Rep 2026; 27:e951798
664 909 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
475 1,364 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
475 1364 0

13 May 2026 : Case report
A 48-Year-Old Man With Diabetic Ketoacidosis, Hypothermia, and Cardiac Arrest Managed With Veno-Arterial Extracorporeal Membrane Oxygenation
Hiromu Masuda, Kenshin Shimono
, Ayumu Banfuku, Shota Yamashita, Takahito Ohtonari, Mitsuhito Sato
, Shuhei Niiyama
DOI: 10.12659/AJCR.952404
Am J Case Rep 2026; 27:e952404
538 798 0

13 May 2026 : Case report
A 48-Year-Old Man With Diabetic Ketoacidosis, Hypothermia, and Cardiac Arrest Managed With Veno-Arterial Extracorporeal Membrane Oxygenation
Hiromu Masuda, Kenshin Shimono
, Ayumu Banfuku, Shota Yamashita, Takahito Ohtonari, Mitsuhito Sato
, Shuhei Niiyama
DOI: 10.12659/AJCR.952404
Am J Case Rep 2026; 27:e952404
538 798 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
555 844 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
555 844 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
329 525 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
329 525 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
438 657 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
438 657 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
626 852 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
626 852 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
573 723 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
573 723 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
398 620 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
398 620 0

05 May 2026 : Case report
Rigid-Flexible Bronchoscopy With Holmium Laser Cauterization for Pine Nut Shell Removal and Balloon Dilation for Subsequent Bronchial Stenosis in a 16-Month-Old Girl
Danli Wang, Feizhou Zhang, Nan Zhang, Fang Jin, Hujun Wu, Xiaofen Tao, Lei Wu
DOI: 10.12659/AJCR.951890
Am J Case Rep 2026; 27:e951890
388 580 0

05 May 2026 : Case report
Rigid-Flexible Bronchoscopy With Holmium Laser Cauterization for Pine Nut Shell Removal and Balloon Dilation for Subsequent Bronchial Stenosis in a 16-Month-Old Girl
Danli Wang, Feizhou Zhang, Nan Zhang, Fang Jin, Hujun Wu, Xiaofen Tao, Lei Wu
DOI: 10.12659/AJCR.951890
Am J Case Rep 2026; 27:e951890
388 580 0

04 May 2026 : Case report
Severe Anemia as a Rare Complication of Traumatic Scalp Arteriovenous Fistula: A Case Report
Szymon R. Mielczarek
, Jacek Kleszczyński
, Katarzyna Sznajder
, Janusz Springer
DOI: 10.12659/AJCR.951547
Am J Case Rep 2026; 27:e951547
354 586 0

04 May 2026 : Case report
Severe Anemia as a Rare Complication of Traumatic Scalp Arteriovenous Fistula: A Case Report
Szymon R. Mielczarek
, Jacek Kleszczyński
, Katarzyna Sznajder
, Janusz Springer
DOI: 10.12659/AJCR.951547
Am J Case Rep 2026; 27:e951547
354 586 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
442 1,301 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
442 1301 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
536 871 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
536 871 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
811 2,353 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
811 2353 0

25 Apr 2026 : Case report
Streptococcus pyogenes-Induced Necrotizing Pneumonia With Pleural Effusion in a Child: Role of Medical Thoracoscopy
Lei Zhu, Feizhou Zhang, Ting Huang, Fang Jin, Hujun Wu, Xiaofen Tao, Lei Wu, Lanfang Tang
DOI: 10.12659/AJCR.951007
Am J Case Rep 2026; 27:e951007
706 1,140 0

25 Apr 2026 : Case report
Streptococcus pyogenes-Induced Necrotizing Pneumonia With Pleural Effusion in a Child: Role of Medical Thoracoscopy
Lei Zhu, Feizhou Zhang, Ting Huang, Fang Jin, Hujun Wu, Xiaofen Tao, Lei Wu, Lanfang Tang
DOI: 10.12659/AJCR.951007
Am J Case Rep 2026; 27:e951007
706 1140 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
576 837 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
576 837 0

23 Apr 2026 : Case report
Beyond the Usual Course: A Rare Case of Persistent Traumatic Pulmonary Pneumatoceles With 8-Year Favorable Evolution
Zied Chaari
, Jaweher Kammoun, Mahabbah Fawaz Almarshdi, Ahmed Soud Alzaid, Rasheed Abdulkareem Al Twiher
DOI: 10.12659/AJCR.952276
Am J Case Rep 2026; 27:e952276
620 778 0

23 Apr 2026 : Case report
Beyond the Usual Course: A Rare Case of Persistent Traumatic Pulmonary Pneumatoceles With 8-Year Favorable Evolution
Zied Chaari
, Jaweher Kammoun, Mahabbah Fawaz Almarshdi, Ahmed Soud Alzaid, Rasheed Abdulkareem Al Twiher
DOI: 10.12659/AJCR.952276
Am J Case Rep 2026; 27:e952276
620 778 0

20 Apr 2026 : Case report
Pseudoaneurysm of the Left Renal Segmental Artery With Delayed Detection After Blunt Trauma
Atsuto Kobayashi, Masakazu Nabeta, Nobuhisa Hirayu, Osamu Takasu
DOI: 10.12659/AJCR.951740
Am J Case Rep 2026; 27:e951740
367 610 0

20 Apr 2026 : Case report
Pseudoaneurysm of the Left Renal Segmental Artery With Delayed Detection After Blunt Trauma
Atsuto Kobayashi, Masakazu Nabeta, Nobuhisa Hirayu, Osamu Takasu
DOI: 10.12659/AJCR.951740
Am J Case Rep 2026; 27:e951740
367 610 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
879 1,070 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
879 1070 0

09 Apr 2026 : Case report
Efficacy of Ipilimumab and Nivolumab Rechallenge in a Long-Term Melanoma Survivor: A Case Report
A. Maria Vromans
, Maria Constantinou
DOI: 10.12659/AJCR.950432
Am J Case Rep 2026; 27:e950432
402 1,310 0

09 Apr 2026 : Case report
Efficacy of Ipilimumab and Nivolumab Rechallenge in a Long-Term Melanoma Survivor: A Case Report
A. Maria Vromans
, Maria Constantinou
DOI: 10.12659/AJCR.950432
Am J Case Rep 2026; 27:e950432
402 1310 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
546 854 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
546 854 0

15 Apr 2026 : Case report
Traumatic Complete Occlusion of the Left Main Bronchus Managed by Temporary Placement of a Covered Self-Expandable Metallic Stent: A Case Report
Peisen Wang, Xiaodong Pang, Yili Chen, Lei Gu
, Jian-an Huang, Chuanyong Mu
DOI: 10.12659/AJCR.951228
Am J Case Rep 2026; 27:e951228
443 617 0

15 Apr 2026 : Case report
Traumatic Complete Occlusion of the Left Main Bronchus Managed by Temporary Placement of a Covered Self-Expandable Metallic Stent: A Case Report
Peisen Wang, Xiaodong Pang, Yili Chen, Lei Gu
, Jian-an Huang, Chuanyong Mu
DOI: 10.12659/AJCR.951228
Am J Case Rep 2026; 27:e951228
443 617 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
490 717 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
490 717 0
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Am J Case Rep In Press; DOI: 10.12659/AJCR.952443
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Am J Case Rep In Press; DOI: 10.12659/AJCR.953192
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Am J Case Rep In Press; DOI: 10.12659/AJCR.952818
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