Challenging differential diagnosis

21 Aug 2026 : Case report
Left Ventricular Summit Ventricular Tachycardia Identified by Electrocardiographic Pattern Recognition and Managed With Radiofrequency Ablation
Mariana Goes Moreira, Carina Abigail Hardy, Leandro Menezes Alves da Costa, Ana Carolina Menezes Borsoi, Rodrigo Goldenstein Schainberg, Anna Beatriz Gori Montes, Rafael Amorim Belo Nunes, Thiago Midlej Brito, Daniel Castanho Genta Pereira, Roger Pereira de Oliveira
, Thiago Luis Scudeler
DOI: 10.12659/AJCR.953321
Am J Case Rep 2026; 27:e953321
683 890 0

21 Aug 2026 : Case report
Left Ventricular Summit Ventricular Tachycardia Identified by Electrocardiographic Pattern Recognition and Managed With Radiofrequency Ablation
Mariana Goes Moreira, Carina Abigail Hardy, Leandro Menezes Alves da Costa, Ana Carolina Menezes Borsoi, Rodrigo Goldenstein Schainberg, Anna Beatriz Gori Montes, Rafael Amorim Belo Nunes, Thiago Midlej Brito, Daniel Castanho Genta Pereira, Roger Pereira de Oliveira
, Thiago Luis Scudeler
DOI: 10.12659/AJCR.953321
Am J Case Rep 2026; 27:e953321
683 890 0

20 Aug 2026 : Case report
Autosomal Dominant Polycystic Kidney Disease Presenting as a Painless Epigastric Mass: A Case Report
Tajul Atiqah Zaulkafali, Aiza Nur Izdihar Zainal-Abidin
, Alan Basil Peter
, Mohamed-Syarif Mohamed-Yassin
DOI: 10.12659/AJCR.952751
Am J Case Rep 2026; 27:e952751
722 928 0

20 Aug 2026 : Case report
Autosomal Dominant Polycystic Kidney Disease Presenting as a Painless Epigastric Mass: A Case Report
Tajul Atiqah Zaulkafali, Aiza Nur Izdihar Zainal-Abidin
, Alan Basil Peter
, Mohamed-Syarif Mohamed-Yassin
DOI: 10.12659/AJCR.952751
Am J Case Rep 2026; 27:e952751
722 928 0

17 Aug 2026 : Case report
From Sight to Stridor: Recurrent Angioedema in Systemic Lupus Erythematosus Associated With Complement Activation
Seyed Khalafi, Lanna Felde
DOI: 10.12659/AJCR.953593
Am J Case Rep 2026; 27:e953593
989 1,848 0

17 Aug 2026 : Case report
From Sight to Stridor: Recurrent Angioedema in Systemic Lupus Erythematosus Associated With Complement Activation
Seyed Khalafi, Lanna Felde
DOI: 10.12659/AJCR.953593
Am J Case Rep 2026; 27:e953593
989 1848 0

16 Aug 2026 : Case report
Severe Tricuspid Regurgitation: Traumatic Papillary Muscle Rupture Mimicking Infective Endocarditis—A Case Report
Soichiro Kobayashi, Taku Omori
, Daisuke Izumi, Toshiya Tokui, Atsunobu Kasai, Kaoru Dohi
DOI: 10.12659/AJCR.952267
Am J Case Rep 2026; 27:e952267
784 1,016 0

16 Aug 2026 : Case report
Severe Tricuspid Regurgitation: Traumatic Papillary Muscle Rupture Mimicking Infective Endocarditis—A Case Report
Soichiro Kobayashi, Taku Omori
, Daisuke Izumi, Toshiya Tokui, Atsunobu Kasai, Kaoru Dohi
DOI: 10.12659/AJCR.952267
Am J Case Rep 2026; 27:e952267
784 1016 0

14 Aug 2026 : Case report
Systemic Reaction After Centipede Bite in a Child: Diagnostic Challenges Between Toxic and Hypersensitivity Mechanisms
Takatoshi Murakami, Yusuke Miyashita, Toshihiko Nonaka, Mika Ogata, Kimitoshi Nakamura
DOI: 10.12659/AJCR.953155
Am J Case Rep 2026; 27:e953155
1,679 2,373 0

14 Aug 2026 : Case report
Systemic Reaction After Centipede Bite in a Child: Diagnostic Challenges Between Toxic and Hypersensitivity Mechanisms
Takatoshi Murakami, Yusuke Miyashita, Toshihiko Nonaka, Mika Ogata, Kimitoshi Nakamura
DOI: 10.12659/AJCR.953155
Am J Case Rep 2026; 27:e953155
1679 2373 0

14 Aug 2026 : Case report
A Rare Case of Takotsubo Cardiomyopathy Recurrence With Alternate Reverse Phenotypes
Joud Fahed
, Sara Samadani, Abdul Mohammad
, Wongelawit F. Zerihun, Mohamed H. Abdalaziz, Danhue Moodie
DOI: 10.12659/AJCR.952861
Am J Case Rep 2026; 27:e952861
890 1,194 0

14 Aug 2026 : Case report
A Rare Case of Takotsubo Cardiomyopathy Recurrence With Alternate Reverse Phenotypes
Joud Fahed
, Sara Samadani, Abdul Mohammad
, Wongelawit F. Zerihun, Mohamed H. Abdalaziz, Danhue Moodie
DOI: 10.12659/AJCR.952861
Am J Case Rep 2026; 27:e952861
890 1194 0

13 Aug 2026 : Case report
Neonatal Endogenous Endophthalmitis Complicated by Spontaneous Globe Rupture: A Case Report
Mary Robinson, Apurwa Naik
, Cigdem Ozturk, Kenneth Alexander
DOI: 10.12659/AJCR.952748
Am J Case Rep 2026; 27:e952748
819 1,110 0

13 Aug 2026 : Case report
Neonatal Endogenous Endophthalmitis Complicated by Spontaneous Globe Rupture: A Case Report
Mary Robinson, Apurwa Naik
, Cigdem Ozturk, Kenneth Alexander
DOI: 10.12659/AJCR.952748
Am J Case Rep 2026; 27:e952748
819 1110 0

12 Aug 2026 : Case report
Solitary Peritoneal Metastasis of AFP-Negative Hepatocellular Carcinoma in a 65-Year-Old Man with a History of Lung Adenocarcinoma: A Case Report
Zhineng Xie, Jie Huang, Kailong Fu
DOI: 10.12659/AJCR.953374
Am J Case Rep 2026; 27:e953374
778 1,151 0

12 Aug 2026 : Case report
Solitary Peritoneal Metastasis of AFP-Negative Hepatocellular Carcinoma in a 65-Year-Old Man with a History of Lung Adenocarcinoma: A Case Report
Zhineng Xie, Jie Huang, Kailong Fu
DOI: 10.12659/AJCR.953374
Am J Case Rep 2026; 27:e953374
778 1151 0

10 Aug 2026 : Case report
Massive Inferior Vena Cava Thrombosis and Pulmonary Embolism Secondary to Hepatic Hydatid Cyst: A Fatal Case
Abdulrahman Alozaymi, Roaa Amer
, Abdulaziz Fahad Alsayari
DOI: 10.12659/AJCR.952041
Am J Case Rep 2026; 27:e952041
863 1,043 0

10 Aug 2026 : Case report
Massive Inferior Vena Cava Thrombosis and Pulmonary Embolism Secondary to Hepatic Hydatid Cyst: A Fatal Case
Abdulrahman Alozaymi, Roaa Amer
, Abdulaziz Fahad Alsayari
DOI: 10.12659/AJCR.952041
Am J Case Rep 2026; 27:e952041
863 1043 0

09 Aug 2026 : Case report
Invasive Breast Cancer Complicated by Colitis After TCbHP Chemotherapy: A Case Report
Zicong You
, Yue Deng, Shiying Cao, Fei Wang
DOI: 10.12659/AJCR.952507
Am J Case Rep 2026; 27:e952507
781 1,375 0

09 Aug 2026 : Case report
Invasive Breast Cancer Complicated by Colitis After TCbHP Chemotherapy: A Case Report
Zicong You
, Yue Deng, Shiying Cao, Fei Wang
DOI: 10.12659/AJCR.952507
Am J Case Rep 2026; 27:e952507
781 1375 0

07 Aug 2026 : Case report
Clear Cell Carcinoma of the Left Colon: A Case Report
Mohamed Ahmed
, Abubaker K.S. Khalid
, Olive Cummins
, Kate Richards
DOI: 10.12659/AJCR.952922
Am J Case Rep 2026; 27:e952922
682 1,067 0

07 Aug 2026 : Case report
Clear Cell Carcinoma of the Left Colon: A Case Report
Mohamed Ahmed
, Abubaker K.S. Khalid
, Olive Cummins
, Kate Richards
DOI: 10.12659/AJCR.952922
Am J Case Rep 2026; 27:e952922
682 1067 0

06 Aug 2026 : Case report
Perioperative Anaphylactic Shock Induced by Cisatracurium: A Case Demonstrating the Diagnostic and Clinical Value of Early Skin Testing
Yu Ying, Shenglan Tian, Jingli Chen, Keding Wang, Shenghua Li
DOI: 10.12659/AJCR.952854
Am J Case Rep 2026; 27:e952854
759 1,172 0

06 Aug 2026 : Case report
Perioperative Anaphylactic Shock Induced by Cisatracurium: A Case Demonstrating the Diagnostic and Clinical Value of Early Skin Testing
Yu Ying, Shenglan Tian, Jingli Chen, Keding Wang, Shenghua Li
DOI: 10.12659/AJCR.952854
Am J Case Rep 2026; 27:e952854
759 1172 0

05 Aug 2026 : Case report
Chest Pain Due to Anomalous Origin of the Left Circumflex Artery From the Opposite Sinus of Valsalva in a 70-Year-Old Woman
Tian Luo, Kang Luo, JunBing Lin, Qiang Huang
DOI: 10.12659/AJCR.952577
Am J Case Rep 2026; 27:e952577
685 996 0

05 Aug 2026 : Case report
Chest Pain Due to Anomalous Origin of the Left Circumflex Artery From the Opposite Sinus of Valsalva in a 70-Year-Old Woman
Tian Luo, Kang Luo, JunBing Lin, Qiang Huang
DOI: 10.12659/AJCR.952577
Am J Case Rep 2026; 27:e952577
685 996 0

04 Aug 2026 : Case report
Coexistence of Neurofibromatosis Type 1 and Marfan Syndrome in a 13-Year-Old Boy: A Case Report
Piotr Wieniawski
, Magdalena Warych
, Beata Kucińska
, Izabela Janiec, Bożena Werner
DOI: 10.12659/AJCR.950868
Am J Case Rep 2026; 27:e950868
890 1,441 0

04 Aug 2026 : Case report
Coexistence of Neurofibromatosis Type 1 and Marfan Syndrome in a 13-Year-Old Boy: A Case Report
Piotr Wieniawski
, Magdalena Warych
, Beata Kucińska
, Izabela Janiec, Bożena Werner
DOI: 10.12659/AJCR.950868
Am J Case Rep 2026; 27:e950868
890 1441 0

03 Aug 2026 : Case report
Acute Appendicitis as a Precipitating Factor for Diabetic Ketosis in Newly Diagnosed Type 2 Diabetes Mellitus: A Case Report
Ziyang Wang, Meijia Yang
DOI: 10.12659/AJCR.952909
Am J Case Rep 2026; 27:e952909
870 1,492 0

03 Aug 2026 : Case report
Acute Appendicitis as a Precipitating Factor for Diabetic Ketosis in Newly Diagnosed Type 2 Diabetes Mellitus: A Case Report
Ziyang Wang, Meijia Yang
DOI: 10.12659/AJCR.952909
Am J Case Rep 2026; 27:e952909
870 1492 0

03 Aug 2026 : Case report
Pustules in Stevens-Johnson Syndrome
Shunya Nagata, Takaie Kuki, Miyuki Kato
DOI: 10.12659/AJCR.953161
Am J Case Rep 2026; 27:e953161
779 1,099 0

03 Aug 2026 : Case report
Pustules in Stevens-Johnson Syndrome
Shunya Nagata, Takaie Kuki, Miyuki Kato
DOI: 10.12659/AJCR.953161
Am J Case Rep 2026; 27:e953161
779 1099 0

02 Aug 2026 : Case report
Histoplasmosis-Associated Hemophagocytic Lymphohistiocytosis Presenting as Pyrexia of Unknown Origin With Splenic Masses
Nidhi Gupta, Kriti Yadav, Mythri Chittilla, Charly Almonte, Rahul Sampath
DOI: 10.12659/AJCR.952791
Am J Case Rep 2026; 27:e952791
1,024 1,419 0

02 Aug 2026 : Case report
Histoplasmosis-Associated Hemophagocytic Lymphohistiocytosis Presenting as Pyrexia of Unknown Origin With Splenic Masses
Nidhi Gupta, Kriti Yadav, Mythri Chittilla, Charly Almonte, Rahul Sampath
DOI: 10.12659/AJCR.952791
Am J Case Rep 2026; 27:e952791
1024 1419 0

01 Aug 2026 : Case report
Continuous Epidural Infusion of Hydroxyethyl Starch for Spontaneous Intracranial Hypotension: A Retrospective Case Series
Xiao-Yan Zhang
, Qiu-Li Zhang, Ying Liu, Li-Jie Zhu, Ying-Zhi Li, Xi-Ying Ye, Zhong-Jun Zhang, Yao-Xian Zhang
DOI: 10.12659/AJCR.953129
Am J Case Rep 2026; 27:e953129
644 962 0

01 Aug 2026 : Case report
Continuous Epidural Infusion of Hydroxyethyl Starch for Spontaneous Intracranial Hypotension: A Retrospective Case Series
Xiao-Yan Zhang
, Qiu-Li Zhang, Ying Liu, Li-Jie Zhu, Ying-Zhi Li, Xi-Ying Ye, Zhong-Jun Zhang, Yao-Xian Zhang
DOI: 10.12659/AJCR.953129
Am J Case Rep 2026; 27:e953129
644 962 0

30 Jul 2026 : Case report
Management of Shamblin Type III Carotid Body Tumor With Preoperative Embolization, Surgical Resection, and Rescue Endovascular Stroke Treatment: A Case Report
Michal S. Proczka
, Piotr Kaszczewski
, Michał M. Sajdek, Amelia Maciąg, Rafał Maciąg, Ireneusz Nawrot
, Zbigniew Gałązka
DOI: 10.12659/AJCR.951348
Am J Case Rep 2026; 27:e951348
632 976 0

30 Jul 2026 : Case report
Management of Shamblin Type III Carotid Body Tumor With Preoperative Embolization, Surgical Resection, and Rescue Endovascular Stroke Treatment: A Case Report
Michal S. Proczka
, Piotr Kaszczewski
, Michał M. Sajdek, Amelia Maciąg, Rafał Maciąg, Ireneusz Nawrot
, Zbigniew Gałązka
DOI: 10.12659/AJCR.951348
Am J Case Rep 2026; 27:e951348
632 976 0

30 Jul 2026 : Case report
Thoracic SMARCA4-Deficient Undifferentiated Tumor Presenting as a Giant Mediastinal Mass: A Case Report
Nanami Ichihashi, Motona Kumagai
, Miyako Shimasaki, Akihiro Shioya
, Sohsuke Yamada
DOI: 10.12659/AJCR.952937
Am J Case Rep 2026; 27:e952937
863 1,263 0

30 Jul 2026 : Case report
Thoracic SMARCA4-Deficient Undifferentiated Tumor Presenting as a Giant Mediastinal Mass: A Case Report
Nanami Ichihashi, Motona Kumagai
, Miyako Shimasaki, Akihiro Shioya
, Sohsuke Yamada
DOI: 10.12659/AJCR.952937
Am J Case Rep 2026; 27:e952937
863 1263 0

29 Jul 2026 : Case report
Coronary Artery Embolism From Atrial Flutter Presenting as Cardiac Arrest and ST-Elevation Myocardial Infarction: Diagnostic and Therapeutic Challenges
Keyshla Pagán Morales, Keyur Patel
, Ammar Ahmed, Marcel Zughaib
DOI: 10.12659/AJCR.952062
Am J Case Rep 2026; 27:e952062
759 1,240 0

29 Jul 2026 : Case report
Coronary Artery Embolism From Atrial Flutter Presenting as Cardiac Arrest and ST-Elevation Myocardial Infarction: Diagnostic and Therapeutic Challenges
Keyshla Pagán Morales, Keyur Patel
, Ammar Ahmed, Marcel Zughaib
DOI: 10.12659/AJCR.952062
Am J Case Rep 2026; 27:e952062
759 1240 0

28 Jul 2026 : Case report
Acute Small Bowel Obstruction as the First Manifestation of Occult Lung Adenocarcinoma: A Case Report of Jejunal Metastasis
Midani Touati, Ibtissem Korbi, Hiba Ben Hassine, Faiez Boughanmi
, Manel Njima, Sofiene Gaied Chortane, Faouzi Noomen
DOI: 10.12659/AJCR.953993
Am J Case Rep 2026; 27:e953993
838 1,123 0

28 Jul 2026 : Case report
Acute Small Bowel Obstruction as the First Manifestation of Occult Lung Adenocarcinoma: A Case Report of Jejunal Metastasis
Midani Touati, Ibtissem Korbi, Hiba Ben Hassine, Faiez Boughanmi
, Manel Njima, Sofiene Gaied Chortane, Faouzi Noomen
DOI: 10.12659/AJCR.953993
Am J Case Rep 2026; 27:e953993
838 1123 0

27 Jul 2026 : Case report
Transient Cardiac Dysfunction Due to New-Onset Mitral Chordal Rupture With Concomitant Congenital Absence of the Right Coronary Artery: A Case Report
Songyan Zhang, Ying Cui, Shucheng Li
DOI: 10.12659/AJCR.952798
Am J Case Rep 2026; 27:e952798
653 1,011 0

27 Jul 2026 : Case report
Transient Cardiac Dysfunction Due to New-Onset Mitral Chordal Rupture With Concomitant Congenital Absence of the Right Coronary Artery: A Case Report
Songyan Zhang, Ying Cui, Shucheng Li
DOI: 10.12659/AJCR.952798
Am J Case Rep 2026; 27:e952798
653 1011 0

25 Jul 2026 : Case report
A 46-Year-Old Man Presenting With Chest Pain Due to Apical Hypertrophic Cardiomyopathy (Yamaguchi Syndrome) Diagnosed by Multimodal Cardiac Imaging
Mauro de Deus Passos, Daniel Lopes Marques de Araújo, Lucas de Ávila Mariano, Dilson Palhares Ferreira, Luciano Moreira Alves, Simone Nascimento dos Santos
DOI: 10.12659/AJCR.953259
Am J Case Rep 2026; 27:e953259
815 1,371 0

25 Jul 2026 : Case report
A 46-Year-Old Man Presenting With Chest Pain Due to Apical Hypertrophic Cardiomyopathy (Yamaguchi Syndrome) Diagnosed by Multimodal Cardiac Imaging
Mauro de Deus Passos, Daniel Lopes Marques de Araújo, Lucas de Ávila Mariano, Dilson Palhares Ferreira, Luciano Moreira Alves, Simone Nascimento dos Santos
DOI: 10.12659/AJCR.953259
Am J Case Rep 2026; 27:e953259
815 1371 0

24 Jul 2026 : Case report
Adult-Onset Central Nervous System Embryonal Tumor With Neuronal Differentiation: A Diagnostic Challenge
Anh Quynh Pham, Tuyen Van Pham, Thong Minh Pham
DOI: 10.12659/AJCR.953049
Am J Case Rep 2026; 27:e953049
609 1,126 0

24 Jul 2026 : Case report
Adult-Onset Central Nervous System Embryonal Tumor With Neuronal Differentiation: A Diagnostic Challenge
Anh Quynh Pham, Tuyen Van Pham, Thong Minh Pham
DOI: 10.12659/AJCR.953049
Am J Case Rep 2026; 27:e953049
609 1126 0
In Press
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.954405
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.953611
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Am J Case Rep In Press; DOI: 10.12659/AJCR.954016
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Am J Case Rep In Press; DOI: 10.12659/AJCR.954891
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