Challenging differential diagnosis

13 Feb 2026 : Case report
Torsion of the Falciform Ligament Fatty Appendage: An Overlooked Cause of Abdominal Pain in Adults
Ying Jie Toh
, Raymond Jing Long Ng
, Shawn Shi Xian Kok
, Srujana Ganti
DOI: 10.12659/AJCR.951191
Am J Case Rep 2026; 27:e951191
765 2,244 0

13 Feb 2026 : Case report
Torsion of the Falciform Ligament Fatty Appendage: An Overlooked Cause of Abdominal Pain in Adults
Ying Jie Toh
, Raymond Jing Long Ng
, Shawn Shi Xian Kok
, Srujana Ganti
DOI: 10.12659/AJCR.951191
Am J Case Rep 2026; 27:e951191
765 2244 0

12 Feb 2026 : Case report
Acute Hemorrhagic Necrotizing Encephalopathy in a COVID-19 Patient With a Response to Intravenous Immunoglobulin Therapy
Fajer Saleh Almeer, Heba Khalid Alkoheji, Marwa Ebrahim Zayed, Ali Jaffar Al-Hilly, Omar Abduljabar Hussein
DOI: 10.12659/AJCR.949542
Am J Case Rep 2026; 27:e949542
1,057 1,995 0

12 Feb 2026 : Case report
Acute Hemorrhagic Necrotizing Encephalopathy in a COVID-19 Patient With a Response to Intravenous Immunoglobulin Therapy
Fajer Saleh Almeer, Heba Khalid Alkoheji, Marwa Ebrahim Zayed, Ali Jaffar Al-Hilly, Omar Abduljabar Hussein
DOI: 10.12659/AJCR.949542
Am J Case Rep 2026; 27:e949542
1057 1995 0

12 Feb 2026 : Case report
Bilateral Adrenal Infarction as an Uncommon Complication of Heparin-Induced Thrombocytopenia: A Case Report
Abhinav Singla
, Asmita Addanki
, Aleena Shahnawaz
, Alyssa Catherine Raj
, Anam Sadia, Shah Rukh, Muhammad Ali
, Aleksandra Murawska Baptista
DOI: 10.12659/AJCR.951331
Am J Case Rep 2026; 27:e951331
961 1,790 0

12 Feb 2026 : Case report
Bilateral Adrenal Infarction as an Uncommon Complication of Heparin-Induced Thrombocytopenia: A Case Report
Abhinav Singla
, Asmita Addanki
, Aleena Shahnawaz
, Alyssa Catherine Raj
, Anam Sadia, Shah Rukh, Muhammad Ali
, Aleksandra Murawska Baptista
DOI: 10.12659/AJCR.951331
Am J Case Rep 2026; 27:e951331
961 1790 0

10 Feb 2026 : Case report
Actinomycotic Cholecystitis and Pancreatitis: Report of an Unusual Case
Carlos Eduardo Brantis-de-Carvalho
, Sara Mohrbacher
, Juliana Valéria Souza Framil
, Victor Augusto Hamamoto Sato
, Erico Souza de Oliveira
, Pedro Renato Chocair
DOI: 10.12659/AJCR.951112
Am J Case Rep 2026; 27:e951112
729 1,534 0

10 Feb 2026 : Case report
Actinomycotic Cholecystitis and Pancreatitis: Report of an Unusual Case
Carlos Eduardo Brantis-de-Carvalho
, Sara Mohrbacher
, Juliana Valéria Souza Framil
, Victor Augusto Hamamoto Sato
, Erico Souza de Oliveira
, Pedro Renato Chocair
DOI: 10.12659/AJCR.951112
Am J Case Rep 2026; 27:e951112
729 1534 0

10 Feb 2026 : Case report
Milky Tea-Colored Pleural Effusion: Empyema Complicated by Pneumothorax Due to Mixed Infection With Mycobacterium tuberculosis and Aspergillus fumigatus
Yaya Gong, Hongyan Sun
DOI: 10.12659/AJCR.951599
Am J Case Rep 2026; 27:e951599
726 1,456 0

10 Feb 2026 : Case report
Milky Tea-Colored Pleural Effusion: Empyema Complicated by Pneumothorax Due to Mixed Infection With Mycobacterium tuberculosis and Aspergillus fumigatus
Yaya Gong, Hongyan Sun
DOI: 10.12659/AJCR.951599
Am J Case Rep 2026; 27:e951599
726 1456 0

09 Feb 2026 : Case report
Synchronous Presence of Papillary, Medullary, and Anaplastic Thyroid Tumors in a Single Patient: A Rare Case Report
Mohammed Al Essa, Reema Aldawish, Abdullah Alkhaldi, Ghaidaa Aljbli, Thamer Althunayan
, Abdullah Alkarni
, Abdullah Alsalamah
DOI: 10.12659/AJCR.950677
Am J Case Rep 2026; 27:e950677
755 2,484 0

09 Feb 2026 : Case report
Synchronous Presence of Papillary, Medullary, and Anaplastic Thyroid Tumors in a Single Patient: A Rare Case Report
Mohammed Al Essa, Reema Aldawish, Abdullah Alkhaldi, Ghaidaa Aljbli, Thamer Althunayan
, Abdullah Alkarni
, Abdullah Alsalamah
DOI: 10.12659/AJCR.950677
Am J Case Rep 2026; 27:e950677
755 2484 0

09 Feb 2026 : Case report
Successful Treatment of Multifocal Demyelinating Sensory-Motor Neuropathy (Lewis-Sumner Syndrome) With Rituximab: A Case Report
Mengcui Gui, Jing Lin, Yue Li
, Bo Chen, Bitao Bu, Zhijun Li
DOI: 10.12659/AJCR.950084
Am J Case Rep 2026; 27:e950084
1,398 6,746 0

09 Feb 2026 : Case report
Successful Treatment of Multifocal Demyelinating Sensory-Motor Neuropathy (Lewis-Sumner Syndrome) With Rituximab: A Case Report
Mengcui Gui, Jing Lin, Yue Li
, Bo Chen, Bitao Bu, Zhijun Li
DOI: 10.12659/AJCR.950084
Am J Case Rep 2026; 27:e950084
1398 6746 0

08 Feb 2026 : Case report
Acute Graft-Versus-Host Disease After Deceased-Donor Liver Transplantation: A Case Report
Min Jae Kim
, Keun Soo Ahn
, Tae-Seok Kim
, Sunggyun Park
, Hye won Lee
DOI: 10.12659/AJCR.951031
Am J Case Rep 2026; 27:e951031
657 2,524 0

08 Feb 2026 : Case report
Acute Graft-Versus-Host Disease After Deceased-Donor Liver Transplantation: A Case Report
Min Jae Kim
, Keun Soo Ahn
, Tae-Seok Kim
, Sunggyun Park
, Hye won Lee
DOI: 10.12659/AJCR.951031
Am J Case Rep 2026; 27:e951031
657 2524 0

07 Feb 2026 : Case report
Coronary Artery Bypass Grafting in the Presence of Severe Hyperthyroidism: A Case Report
Akie Shimada, Taira Yamamoto, Jiyoung Lee, Shizuyuki Dohi, Daisuke Endo
, Yuichiro Sato, Yasutaka Yokoyama
, Minoru Tabata
DOI: 10.12659/AJCR.950442
Am J Case Rep 2026; 27:e950442
943 2,024 0

07 Feb 2026 : Case report
Coronary Artery Bypass Grafting in the Presence of Severe Hyperthyroidism: A Case Report
Akie Shimada, Taira Yamamoto, Jiyoung Lee, Shizuyuki Dohi, Daisuke Endo
, Yuichiro Sato, Yasutaka Yokoyama
, Minoru Tabata
DOI: 10.12659/AJCR.950442
Am J Case Rep 2026; 27:e950442
943 2024 0

05 Feb 2026 : Case report
Paraduodenal Hernia With Intestinal Obstruction During Pregnancy
Yuhang You, Fangxin Wan, Guodong Song
DOI: 10.12659/AJCR.951298
Am J Case Rep 2026; 27:e951298
683 1,410 0

05 Feb 2026 : Case report
Paraduodenal Hernia With Intestinal Obstruction During Pregnancy
Yuhang You, Fangxin Wan, Guodong Song
DOI: 10.12659/AJCR.951298
Am J Case Rep 2026; 27:e951298
683 1410 0

04 Feb 2026 : Case report
Large Hiatal Hernia in a Patient With Bulimia Nervosa and Obesity: An Interdisciplinary Case Report
Oktyabr R. Teshaev, Akhmadjon B. Babajonov
, Ilkhom B. Khayitov, Diana I. Yugay
DOI: 10.12659/AJCR.951261
Am J Case Rep 2026; 27:e951261
793 2,042 0

04 Feb 2026 : Case report
Large Hiatal Hernia in a Patient With Bulimia Nervosa and Obesity: An Interdisciplinary Case Report
Oktyabr R. Teshaev, Akhmadjon B. Babajonov
, Ilkhom B. Khayitov, Diana I. Yugay
DOI: 10.12659/AJCR.951261
Am J Case Rep 2026; 27:e951261
793 2042 0

03 Feb 2026 : Case report
Drug-Induced Liver Injury Associated With the Angiotensin II Receptor Blocker Losartan in a 59-Year-Old Woman With Hypertension: A Case Report
DOI: 10.12659/AJCR.949256
Am J Case Rep 2026; 27:e949256
1,005 3,722 0

03 Feb 2026 : Case report
Drug-Induced Liver Injury Associated With the Angiotensin II Receptor Blocker Losartan in a 59-Year-Old Woman With Hypertension: A Case Report
DOI: 10.12659/AJCR.949256
Am J Case Rep 2026; 27:e949256
1005 3722 0

02 Feb 2026 : Case report
Neoadjuvant Pressurized Intraperitoneal Aerosol Chemotherapy for Conversion to Cytoreductive Surgery in Unresectable Malignant Peritoneal Mesothelioma: A Report of 2 Cases
Arnaldo Urbano-Ruiz, Bruna Latronico Palma, Ronaldo Elias Carnut Rego, Daniel Bianqui Guaraldo da Silva
, Bianca Fava, Erlan Araujo Falcão, Michelle Louise Rodrigues Barbosa da Silva
, Julia Rodrigues Leandro Uliano
DOI: 10.12659/AJCR.950407
Am J Case Rep 2026; 27:e950407
780 2,076 0

02 Feb 2026 : Case report
Neoadjuvant Pressurized Intraperitoneal Aerosol Chemotherapy for Conversion to Cytoreductive Surgery in Unresectable Malignant Peritoneal Mesothelioma: A Report of 2 Cases
Arnaldo Urbano-Ruiz, Bruna Latronico Palma, Ronaldo Elias Carnut Rego, Daniel Bianqui Guaraldo da Silva
, Bianca Fava, Erlan Araujo Falcão, Michelle Louise Rodrigues Barbosa da Silva
, Julia Rodrigues Leandro Uliano
DOI: 10.12659/AJCR.950407
Am J Case Rep 2026; 27:e950407
780 2076 0

01 Feb 2026 : Case report
Subcutaneous Solitary Fibrous Tumor in the Chin of a Young Adult: A Diagnostic Challenge
Gantuya Purevjav, Ai Koyanagi, Balazs Miklos Sandor, Nyamzaya Molomdalai, Akinari Kakumoto, Tsengelmaa Jamiyan
DOI: 10.12659/AJCR.950318
Am J Case Rep 2026; 27:e950318
772 1,511 0

01 Feb 2026 : Case report
Subcutaneous Solitary Fibrous Tumor in the Chin of a Young Adult: A Diagnostic Challenge
Gantuya Purevjav, Ai Koyanagi, Balazs Miklos Sandor, Nyamzaya Molomdalai, Akinari Kakumoto, Tsengelmaa Jamiyan
DOI: 10.12659/AJCR.950318
Am J Case Rep 2026; 27:e950318
772 1511 0

31 Jan 2026 : Case report
Cell-Free DNA Reveals Hidden Streptococcus anginosus in Cryptogenic Purulent Pericarditis in a Young Adult
Rafael Lessa Da Costa
, Natalia Viana Lopes Pereira, Ricardo Mendes Carneiro, Flavia Prado Fialho Santos, Julia Paulo Mourilhe Rocha
, Flavio De Souza Afonso, Luciana Fazzio De Andrade, Paula Riedlinger Mont'Alverne Bordalo, Leticia Da Silva Alves, Pedro Castello Branco De Moraes, Gustavo Salgado Duque, Ricardo Mourilhe-Rocha
DOI: 10.12659/AJCR.951258
Am J Case Rep 2026; 27:e951258
879 1,844 0

31 Jan 2026 : Case report
Cell-Free DNA Reveals Hidden Streptococcus anginosus in Cryptogenic Purulent Pericarditis in a Young Adult
Rafael Lessa Da Costa
, Natalia Viana Lopes Pereira, Ricardo Mendes Carneiro, Flavia Prado Fialho Santos, Julia Paulo Mourilhe Rocha
, Flavio De Souza Afonso, Luciana Fazzio De Andrade, Paula Riedlinger Mont'Alverne Bordalo, Leticia Da Silva Alves, Pedro Castello Branco De Moraes, Gustavo Salgado Duque, Ricardo Mourilhe-Rocha
DOI: 10.12659/AJCR.951258
Am J Case Rep 2026; 27:e951258
879 1844 0

30 Jan 2026 : Case report
Isolated Hepatic Hemangiomatosis Leading to Fatal Consumptive Coagulopathy in an Elderly Patient: A Case Report
Dawid Żyrek
, Julia K. Oszytko
, Gabriela M. Chlebowska
DOI: 10.12659/AJCR.949524
Am J Case Rep 2026; 27:e949524
1,202 2,010 0

30 Jan 2026 : Case report
Isolated Hepatic Hemangiomatosis Leading to Fatal Consumptive Coagulopathy in an Elderly Patient: A Case Report
Dawid Żyrek
, Julia K. Oszytko
, Gabriela M. Chlebowska
DOI: 10.12659/AJCR.949524
Am J Case Rep 2026; 27:e949524
1202 2010 0

30 Jan 2026 : Case report
Negative Anion Gap in Critically Ill Patients: A Case Study of Metabolic Alkalosis and Clinical Strategies
Xiuli Zou, Zhipeng Xie, Jiming Li
DOI: 10.12659/AJCR.948846
Am J Case Rep 2026; 27:e948846
924 3,216 0

30 Jan 2026 : Case report
Negative Anion Gap in Critically Ill Patients: A Case Study of Metabolic Alkalosis and Clinical Strategies
Xiuli Zou, Zhipeng Xie, Jiming Li
DOI: 10.12659/AJCR.948846
Am J Case Rep 2026; 27:e948846
924 3216 0

29 Jan 2026 : Case report
Takotsubo Syndrome Triggered by Immune Checkpoint Inhibitor-Induced Pneumonitis: A Multidisciplinary Diagnostic and Therapeutic Challenge
Marco Kaldas, Moneal Shah, Valentyna Ivanova, Saed Alnaimat
, Diana Pashaieva, Ronald Williams, Anita Radhakrishnan
DOI: 10.12659/AJCR.950756
Am J Case Rep 2026; 27:e950756
1,447 2,311 0

29 Jan 2026 : Case report
Takotsubo Syndrome Triggered by Immune Checkpoint Inhibitor-Induced Pneumonitis: A Multidisciplinary Diagnostic and Therapeutic Challenge
Marco Kaldas, Moneal Shah, Valentyna Ivanova, Saed Alnaimat
, Diana Pashaieva, Ronald Williams, Anita Radhakrishnan
DOI: 10.12659/AJCR.950756
Am J Case Rep 2026; 27:e950756
1447 2311 0

28 Jan 2026 : Case report
Multilevel Laminectomy for Lumbar Spinal Stenosis With Low Back Pain in Achondroplasia: A Case Report
Stylianos Kapetanakis
, Mikail Chatzivasiliadis
, Christos Koukos
, Paschalis Tsioulas, Christos Siopis, Nikolaos Gkantsinikoudis
DOI: 10.12659/AJCR.950290
Am J Case Rep 2026; 27:e950290
2,655 4,254 0

28 Jan 2026 : Case report
Multilevel Laminectomy for Lumbar Spinal Stenosis With Low Back Pain in Achondroplasia: A Case Report
Stylianos Kapetanakis
, Mikail Chatzivasiliadis
, Christos Koukos
, Paschalis Tsioulas, Christos Siopis, Nikolaos Gkantsinikoudis
DOI: 10.12659/AJCR.950290
Am J Case Rep 2026; 27:e950290
2655 4254 0

26 Jan 2026 : Case report
A 34-Year-Old Man With a Traumatic Penetrating Injury of the Buttock and Occult Retained Foreign Body Resulting in a High Anal Fistula Managed by Trans-Sphincteric Surgery
Xianbao Liu, Weigan Lin, Minhui Ke, Xianmin Gao, Ruoxuan Shi
DOI: 10.12659/AJCR.950448
Am J Case Rep 2026; 27:e950448
1,114 2,841 0

26 Jan 2026 : Case report
A 34-Year-Old Man With a Traumatic Penetrating Injury of the Buttock and Occult Retained Foreign Body Resulting in a High Anal Fistula Managed by Trans-Sphincteric Surgery
Xianbao Liu, Weigan Lin, Minhui Ke, Xianmin Gao, Ruoxuan Shi
DOI: 10.12659/AJCR.950448
Am J Case Rep 2026; 27:e950448
1114 2841 0

25 Jan 2026 : Case report
Gastroduodenal Intussusception With Gastric Outlet Obstruction and Periampullary Compression Due to a Gastrointestinal Stromal Tumor in the Stomach
Soumyadip Sain
, Vidit A. Dholakia
, Suvendu Sekhar Jena
, Amitabh Yadav
, Samiran Nundy
DOI: 10.12659/AJCR.950627
Am J Case Rep 2026; 27:e950627
1,265 2,183 0

25 Jan 2026 : Case report
Gastroduodenal Intussusception With Gastric Outlet Obstruction and Periampullary Compression Due to a Gastrointestinal Stromal Tumor in the Stomach
Soumyadip Sain
, Vidit A. Dholakia
, Suvendu Sekhar Jena
, Amitabh Yadav
, Samiran Nundy
DOI: 10.12659/AJCR.950627
Am J Case Rep 2026; 27:e950627
1265 2183 0

24 Jan 2026 : Case report
Disseminated Histoplasmosis and Aortic Valve Infective Endocarditis in a Patient With Recent Aortobifemoral Bypass
Habib Behjatnia, Patricia Couto, Yiliam Castillo, Liorge Dominguez, Stephen Carlan
, Tamisha H. Guzman, Mark E. Jentoft
DOI: 10.12659/AJCR.950135
Am J Case Rep 2026; 27:e950135
1,114 1,823 0

24 Jan 2026 : Case report
Disseminated Histoplasmosis and Aortic Valve Infective Endocarditis in a Patient With Recent Aortobifemoral Bypass
Habib Behjatnia, Patricia Couto, Yiliam Castillo, Liorge Dominguez, Stephen Carlan
, Tamisha H. Guzman, Mark E. Jentoft
DOI: 10.12659/AJCR.950135
Am J Case Rep 2026; 27:e950135
1114 1823 0

23 Jan 2026 : Case report
Severe Hypocalcemia in Hungry Bone Syndrome After Parathyroid Surgery: A Case Study and Review
Wojciech Matuszewski
, Michał Szklarz
, Jan Górny
, Bernard Kordas
, Joanna Rutkowska
, Judyta Juranek
DOI: 10.12659/AJCR.950046
Am J Case Rep 2026; 27:e950046
1,447 8,498 0

23 Jan 2026 : Case report
Severe Hypocalcemia in Hungry Bone Syndrome After Parathyroid Surgery: A Case Study and Review
Wojciech Matuszewski
, Michał Szklarz
, Jan Górny
, Bernard Kordas
, Joanna Rutkowska
, Judyta Juranek
DOI: 10.12659/AJCR.950046
Am J Case Rep 2026; 27:e950046
1447 8498 0

23 Jan 2026 : Case report
Septic Arthritis Secondary to Acupuncture in an Immunocompromised Patient With Multiple Comorbid Conditions
Peyton R. Lester, Aleksandra Murawska Baptista, Nicolas Tapia Stoll, Preston Skinner
, Abhinav Singla
DOI: 10.12659/AJCR.948392
Am J Case Rep 2026; 27:e948392
1,158 2,435 0

23 Jan 2026 : Case report
Septic Arthritis Secondary to Acupuncture in an Immunocompromised Patient With Multiple Comorbid Conditions
Peyton R. Lester, Aleksandra Murawska Baptista, Nicolas Tapia Stoll, Preston Skinner
, Abhinav Singla
DOI: 10.12659/AJCR.948392
Am J Case Rep 2026; 27:e948392
1158 2435 0

22 Jan 2026 : Case report
Mesenteric Hemolymphangioma: A Case Report and Literature Review
Dongxue Geng
, Jingjing Tao, Yi Miao
DOI: 10.12659/AJCR.950824
Am J Case Rep 2026; 27:e950824
815 1,672 0

22 Jan 2026 : Case report
Mesenteric Hemolymphangioma: A Case Report and Literature Review
Dongxue Geng
, Jingjing Tao, Yi Miao
DOI: 10.12659/AJCR.950824
Am J Case Rep 2026; 27:e950824
815 1672 0
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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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