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Challenging differential diagnosis

#950868

04 Aug 2026 : Case report  Poland

Coexistence of Neurofibromatosis Type 1 and Marfan Syndrome in a 13-Year-Old Boy: A Case Report

Piotr Wieniawski ORCID logo, Magdalena Warych ORCID logo, Beata Kucińska ORCID logo, Izabela Janiec, Bożena Werner ORCID logo

DOI: 10.12659/AJCR.950868

Am J Case Rep 2026; 27:e950868

576 514 0

#950868

04 Aug 2026 : Case report  Poland

Coexistence of Neurofibromatosis Type 1 and Marfan Syndrome in a 13-Year-Old Boy: A Case Report

Piotr Wieniawski ORCID logo, Magdalena Warych ORCID logo, Beata Kucińska ORCID logo, Izabela Janiec, Bożena Werner ORCID logo

DOI: 10.12659/AJCR.950868

Am J Case Rep 2026; 27:e950868

576 514 0

#953161

03 Aug 2026 : Case report  Japan

Pustules in Stevens-Johnson Syndrome

Shunya Nagata, Takaie Kuki, Miyuki Kato ORCID logo

DOI: 10.12659/AJCR.953161

Am J Case Rep 2026; 27:e953161

456 469 0

#953161

03 Aug 2026 : Case report  Japan

Pustules in Stevens-Johnson Syndrome

Shunya Nagata, Takaie Kuki, Miyuki Kato ORCID logo

DOI: 10.12659/AJCR.953161

Am J Case Rep 2026; 27:e953161

456 469 0

#952909

03 Aug 2026 : Case report  China

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

511 455 0

#952909

03 Aug 2026 : Case report  China

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

511 455 0

#952791

02 Aug 2026 : Case report  USA

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

574 554 0

#952791

02 Aug 2026 : Case report  USA

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

574 554 0

#953643

17 Jun 2026 : Case report  China

Chlamydia trachomatis Pneumonia in a 50-Day-Old Full-Term Male Infant Associated With Mucus Plugging of the Left Upper Lobe Bronchus and Left Upper Lobe Atelectasis

Yuan Huang ORCID logo, Meixia Huang, Liqin Ke, Shuxian Li, Xiaofen Tao, Guohong Zhu

DOI: 10.12659/AJCR.953643

Am J Case Rep 2026; 27:e953643

491 855 0

#953643

17 Jun 2026 : Case report  China

Chlamydia trachomatis Pneumonia in a 50-Day-Old Full-Term Male Infant Associated With Mucus Plugging of the Left Upper Lobe Bronchus and Left Upper Lobe Atelectasis

Yuan Huang ORCID logo, Meixia Huang, Liqin Ke, Shuxian Li, Xiaofen Tao, Guohong Zhu

DOI: 10.12659/AJCR.953643

Am J Case Rep 2026; 27:e953643

491 855 0

#953129

01 Aug 2026 : Case report  China

Continuous Epidural Infusion of Hydroxyethyl Starch for Spontaneous Intracranial Hypotension: A Retrospective Case Series

Xiao-Yan Zhang ORCID logo, 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

418 447 0

#953129

01 Aug 2026 : Case report  China

Continuous Epidural Infusion of Hydroxyethyl Starch for Spontaneous Intracranial Hypotension: A Retrospective Case Series

Xiao-Yan Zhang ORCID logo, 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

418 447 0

#952062

29 Jul 2026 : Case report  USA

Coronary Artery Embolism From Atrial Flutter Presenting as Cardiac Arrest and ST-Elevation Myocardial Infarction: Diagnostic and Therapeutic Challenges

Keyshla Pagán Morales, Keyur Patel ORCID logo, Ammar Ahmed, Marcel Zughaib

DOI: 10.12659/AJCR.952062

Am J Case Rep 2026; 27:e952062

508 518 0

#952062

29 Jul 2026 : Case report  USA

Coronary Artery Embolism From Atrial Flutter Presenting as Cardiac Arrest and ST-Elevation Myocardial Infarction: Diagnostic and Therapeutic Challenges

Keyshla Pagán Morales, Keyur Patel ORCID logo, Ammar Ahmed, Marcel Zughaib

DOI: 10.12659/AJCR.952062

Am J Case Rep 2026; 27:e952062

508 518 0

#952937

30 Jul 2026 : Case report  Japan

Thoracic SMARCA4-Deficient Undifferentiated Tumor Presenting as a Giant Mediastinal Mass: A Case Report

Nanami Ichihashi, Motona Kumagai ORCID logo, Miyako Shimasaki, Akihiro Shioya ORCID logo, Sohsuke Yamada ORCID logo

DOI: 10.12659/AJCR.952937

Am J Case Rep 2026; 27:e952937

490 509 0

#952937

30 Jul 2026 : Case report  Japan

Thoracic SMARCA4-Deficient Undifferentiated Tumor Presenting as a Giant Mediastinal Mass: A Case Report

Nanami Ichihashi, Motona Kumagai ORCID logo, Miyako Shimasaki, Akihiro Shioya ORCID logo, Sohsuke Yamada ORCID logo

DOI: 10.12659/AJCR.952937

Am J Case Rep 2026; 27:e952937

490 509 0

#952798

27 Jul 2026 : Case report  China

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

382 407 0

#952798

27 Jul 2026 : Case report  China

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

382 407 0

#953259

25 Jul 2026 : Case report  Brazil

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

514 589 0

#953259

25 Jul 2026 : Case report  Brazil

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

514 589 0

#953049

24 Jul 2026 : Case report  Vietnam

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

405 483 0

#953049

24 Jul 2026 : Case report  Vietnam

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

405 483 0

#952658

22 Jul 2026 : Case report  China

Diagnostic Challenges and Scientific Management of Suspected Recurrent Kikuchi-Fujimoto Disease: A Case Report

YanLin Yang ORCID logo, Chao Wang ORCID logo

DOI: 10.12659/AJCR.952658

Am J Case Rep 2026; 27:e952658

414 531 0

#952658

22 Jul 2026 : Case report  China

Diagnostic Challenges and Scientific Management of Suspected Recurrent Kikuchi-Fujimoto Disease: A Case Report

YanLin Yang ORCID logo, Chao Wang ORCID logo

DOI: 10.12659/AJCR.952658

Am J Case Rep 2026; 27:e952658

414 531 0

#953068

16 Jul 2026 : Case report  USA

Machine Perfusion as a Temporal and Resuscitative Bridge in Emergent Renal Autotransplantation: A Novel Case Report

Mariah Johnson ORCID logo, William Archie, Namratha Mylarapu, Dionisios Vrochides, Maria Baimas-George, Vincent Casingal ORCID logo

DOI: 10.12659/AJCR.953068

Am J Case Rep 2026; 27:e953068

357 382 0

#953068

16 Jul 2026 : Case report  USA

Machine Perfusion as a Temporal and Resuscitative Bridge in Emergent Renal Autotransplantation: A Novel Case Report

Mariah Johnson ORCID logo, William Archie, Namratha Mylarapu, Dionisios Vrochides, Maria Baimas-George, Vincent Casingal ORCID logo

DOI: 10.12659/AJCR.953068

Am J Case Rep 2026; 27:e953068

357 382 0

#952923

20 Jul 2026 : Case report  China

Case Report: Primary Central Nervous System Lymphoma With “Wine Glass” Sign Presenting as Somnolence and Fatigue

RuPing Xu, XingYong Chen

DOI: 10.12659/AJCR.952923

Am J Case Rep 2026; 27:e952923

415 458 0

#952923

20 Jul 2026 : Case report  China

Case Report: Primary Central Nervous System Lymphoma With “Wine Glass” Sign Presenting as Somnolence and Fatigue

RuPing Xu, XingYong Chen

DOI: 10.12659/AJCR.952923

Am J Case Rep 2026; 27:e952923

415 458 0

#953001

18 Jul 2026 : Case report  Japan

A 79-Year-Old Woman With Stage IIIB Lung Squamous Cell Carcinoma Presenting With Late-Onset Durvalumab‑Associated Myocarditis Requiring Differentiation From Pericardial Invasion

Norio Kodaka, Fumiyuki Hayashi, Yuki Yokouchi, Masahiro Yoshida, Hiroto Matsuse

DOI: 10.12659/AJCR.953001

Am J Case Rep 2026; 27:e953001

486 484 0

#953001

18 Jul 2026 : Case report  Japan

A 79-Year-Old Woman With Stage IIIB Lung Squamous Cell Carcinoma Presenting With Late-Onset Durvalumab‑Associated Myocarditis Requiring Differentiation From Pericardial Invasion

Norio Kodaka, Fumiyuki Hayashi, Yuki Yokouchi, Masahiro Yoshida, Hiroto Matsuse

DOI: 10.12659/AJCR.953001

Am J Case Rep 2026; 27:e953001

486 484 0

#951737

17 Jul 2026 : Case report  Tanzania, United Republic of

Two Cases of Malaria-Associated Acute Respiratory Distress Syndrome and Severe Pulmonary Complications From Plasmodium falciparum in Tanzania

Hilary Chipongo, Samina Chaki ORCID logo, Esmail Sangey ORCID logo, Ronald Mclarty, Rawya S.A. Baabde, Kaushik Ramaiya ORCID logo

DOI: 10.12659/AJCR.951737

Am J Case Rep 2026; 27:e951737

525 611 0

#951737

17 Jul 2026 : Case report  Tanzania, United Republic of

Two Cases of Malaria-Associated Acute Respiratory Distress Syndrome and Severe Pulmonary Complications From Plasmodium falciparum in Tanzania

Hilary Chipongo, Samina Chaki ORCID logo, Esmail Sangey ORCID logo, Ronald Mclarty, Rawya S.A. Baabde, Kaushik Ramaiya ORCID logo

DOI: 10.12659/AJCR.951737

Am J Case Rep 2026; 27:e951737

525 611 0

#952818

15 Jul 2026 : Case report  China

Ultrasound Identification of Right Internal Jugular Vein Occlusion After Catheterization in a Premature Infant

Haikou Yang, Qianhui Xu, Jun Wang

DOI: 10.12659/AJCR.952818

Am J Case Rep 2026; 27:e952818

367 503 0

#952818

15 Jul 2026 : Case report  China

Ultrasound Identification of Right Internal Jugular Vein Occlusion After Catheterization in a Premature Infant

Haikou Yang, Qianhui Xu, Jun Wang

DOI: 10.12659/AJCR.952818

Am J Case Rep 2026; 27:e952818

367 503 0

#952443

14 Jul 2026 : Case report  Saudi Arabia

Primary Small Cell Neuroendocrine Carcinoma of the Breast in a 75-Year-Old Woman With Aggressive Recurrence Despite Multimodal Therapy: A Case Report and Literature Review

Shefa Abdullah Alamoudi ORCID logo, Hadeel Elwaheidi, Hanan Albishi, Sarah Aldosari ORCID logo, Asma M. Tulbah, Wafa Alkhayal

DOI: 10.12659/AJCR.952443

Am J Case Rep 2026; 27:e952443

387 444 0

#952443

14 Jul 2026 : Case report  Saudi Arabia

Primary Small Cell Neuroendocrine Carcinoma of the Breast in a 75-Year-Old Woman With Aggressive Recurrence Despite Multimodal Therapy: A Case Report and Literature Review

Shefa Abdullah Alamoudi ORCID logo, Hadeel Elwaheidi, Hanan Albishi, Sarah Aldosari ORCID logo, Asma M. Tulbah, Wafa Alkhayal

DOI: 10.12659/AJCR.952443

Am J Case Rep 2026; 27:e952443

387 444 0

#952005

13 Jul 2026 : Case report  China

Coexistence of Multiple Myeloma, Mast Cell Hyperplasia, and Low-Level Myeloid Blastocytosis: A Report of a Rare Case

Meng Yang, Qian Wang, Jian Zhang, Hong Jiang, Hongzhi Xu, Kang Lu, Yujie Jiang

DOI: 10.12659/AJCR.952005

Am J Case Rep 2026; 27:e952005

419 556 0

#952005

13 Jul 2026 : Case report  China

Coexistence of Multiple Myeloma, Mast Cell Hyperplasia, and Low-Level Myeloid Blastocytosis: A Report of a Rare Case

Meng Yang, Qian Wang, Jian Zhang, Hong Jiang, Hongzhi Xu, Kang Lu, Yujie Jiang

DOI: 10.12659/AJCR.952005

Am J Case Rep 2026; 27:e952005

419 556 0

#952926

12 Jul 2026 : Case report  Japan

Infective Endocarditis Presenting With Scalp Allodynia and a Giant Cell Arteritis-Like Vasculitic Phenotype

Ryohei Goto, Hiroki Kojima ORCID logo, Keiichi Iwanami

DOI: 10.12659/AJCR.952926

Am J Case Rep 2026; 27:e952926

508 654 0

#952926

12 Jul 2026 : Case report  Japan

Infective Endocarditis Presenting With Scalp Allodynia and a Giant Cell Arteritis-Like Vasculitic Phenotype

Ryohei Goto, Hiroki Kojima ORCID logo, Keiichi Iwanami

DOI: 10.12659/AJCR.952926

Am J Case Rep 2026; 27:e952926

508 654 0

#951726

10 Jul 2026 : Case report  Saudi Arabia

An 18-Year-Old Man with Bleeding From a Meckel's Diverticulum of the Terminal Ileum Diagnosed by 99mTc-Pertechnetate Scintigraphy (Meckel's Scan)

Hasan M. Alswiket ORCID logo, Rakan S. Alshahrani ORCID logo, Ibrahim M. Alzahrani, Mosab A. Alarfaj ORCID logo

DOI: 10.12659/AJCR.951726

Am J Case Rep 2026; 27:e951726

496 612 0

#951726

10 Jul 2026 : Case report  Saudi Arabia

An 18-Year-Old Man with Bleeding From a Meckel's Diverticulum of the Terminal Ileum Diagnosed by 99mTc-Pertechnetate Scintigraphy (Meckel's Scan)

Hasan M. Alswiket ORCID logo, Rakan S. Alshahrani ORCID logo, Ibrahim M. Alzahrani, Mosab A. Alarfaj ORCID logo

DOI: 10.12659/AJCR.951726

Am J Case Rep 2026; 27:e951726

496 612 0

#951271

07 Jul 2026 : Case report  Brazil

Rare Systemic Vasculitides: Polyarteritis Nodosa and Takayasu Arteritis

Rafael de Almeida ORCID logo, Eduarda da Silveira Cereta ORCID logo, Leonel Guilherme Brasil Soares ORCID logo, Mariele Zardin Moraes ORCID logo, Raida Ahmad Musa Mheisen Husein ORCID logo

DOI: 10.12659/AJCR.951271

Am J Case Rep 2026; 27:e951271

463 817 0

#951271

07 Jul 2026 : Case report  Brazil

Rare Systemic Vasculitides: Polyarteritis Nodosa and Takayasu Arteritis

Rafael de Almeida ORCID logo, Eduarda da Silveira Cereta ORCID logo, Leonel Guilherme Brasil Soares ORCID logo, Mariele Zardin Moraes ORCID logo, Raida Ahmad Musa Mheisen Husein ORCID logo

DOI: 10.12659/AJCR.951271

Am J Case Rep 2026; 27:e951271

463 817 0

#952134

08 Jul 2026 : Case report  China

Misdiagnosis of Endometrioid Borderline Ovarian Tumors by Intraoperative Frozen Section Pathology: A Case Report and Review of the Literature

Huifen Wang, Hongqin Du

DOI: 10.12659/AJCR.952134

Am J Case Rep 2026; 27:e952134

498 632 0

#952134

08 Jul 2026 : Case report  China

Misdiagnosis of Endometrioid Borderline Ovarian Tumors by Intraoperative Frozen Section Pathology: A Case Report and Review of the Literature

Huifen Wang, Hongqin Du

DOI: 10.12659/AJCR.952134

Am J Case Rep 2026; 27:e952134

498 632 0

#952838

06 Jul 2026 : Case report  China

Vacuum Scaling Drainage in the Treatment of Infected Elbow Charcot Neuroarthropathy: A Case Report and Literature Review

Hongyuan Yang

DOI: 10.12659/AJCR.952838

Am J Case Rep 2026; 27:e952838

474 526 0

#952838

06 Jul 2026 : Case report  China

Vacuum Scaling Drainage in the Treatment of Infected Elbow Charcot Neuroarthropathy: A Case Report and Literature Review

Hongyuan Yang

DOI: 10.12659/AJCR.952838

Am J Case Rep 2026; 27:e952838

474 526 0

#952958

04 Jul 2026 : Case report  China

Dermatitis Artefacta: A Multidisciplinary Approach

Xiaowen Wen ORCID logo, Xueting Zeng ORCID logo, Chao Ji ORCID logo

DOI: 10.12659/AJCR.952958

Am J Case Rep 2026; 27:e952958

582 709 0

#952958

04 Jul 2026 : Case report  China

Dermatitis Artefacta: A Multidisciplinary Approach

Xiaowen Wen ORCID logo, Xueting Zeng ORCID logo, Chao Ji ORCID logo

DOI: 10.12659/AJCR.952958

Am J Case Rep 2026; 27:e952958

582 709 0

In Press

Case report  USA

Refractory Hyperammonemic Encephalopathy as a Paraneoplastic Presentation of Fibrolamellar Hepatocellular C...

Am J Case Rep In Press; DOI: 10.12659/AJCR.952819  

Case report  Indonesia

Ovarian Lymphoma and Bone Metastasis Presenting With Paraparesis in an Adolescent: A Case Report

Am J Case Rep In Press; DOI: 10.12659/AJCR.952834  

Case report  France

Pilomatricoma in an Octogenarian: A Case Report of an Exceptional Late-Life Presentation

Am J Case Rep In Press; DOI: 10.12659/AJCR.953320  

Case report  USA

Canine-Associated Capnocytophaga canimorsus Bacteremia in an Older Adult Without Classical Immunosuppressiv...

Am J Case Rep In Press; DOI: 10.12659/AJCR.952980  

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923