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Unusual or unexpected effect of treatment

#951927

06 Apr 2026 : Case report  USA

Lyme Neuroborreliosis With Acute Encephalopathy Despite Early Antibiotic Therapy: A Case Report

Jon M. Johannesson, Kristen V. Dicks, Michelle E. Perkons ORCID logo, Diego F. Cepeda Mora, Matthew W. Luedke ORCID logo, Matthew E. Ehrlich ORCID logo, Jessica L. Houk, Mehri S. McKellar

DOI: 10.12659/AJCR.951927

Am J Case Rep 2026; 27:e951927

444 1,018 0

#951927

06 Apr 2026 : Case report  USA

Lyme Neuroborreliosis With Acute Encephalopathy Despite Early Antibiotic Therapy: A Case Report

Jon M. Johannesson, Kristen V. Dicks, Michelle E. Perkons ORCID logo, Diego F. Cepeda Mora, Matthew W. Luedke ORCID logo, Matthew E. Ehrlich ORCID logo, Jessica L. Houk, Mehri S. McKellar

DOI: 10.12659/AJCR.951927

Am J Case Rep 2026; 27:e951927

444 1018 0

#952222

06 Apr 2026 : Case report  Japan

Severely Calcified Proximal Superficial Femoral Artery Lesion Treated With Bamboo Spear Technique Under Complete Ultrasound Guidance: A Case Report

Yoshinori Sakamoto ORCID logo, Atsuhiko Sugimoto

DOI: 10.12659/AJCR.952222

Am J Case Rep 2026; 27:e952222

367 647 0

#952222

06 Apr 2026 : Case report  Japan

Severely Calcified Proximal Superficial Femoral Artery Lesion Treated With Bamboo Spear Technique Under Complete Ultrasound Guidance: A Case Report

Yoshinori Sakamoto ORCID logo, Atsuhiko Sugimoto

DOI: 10.12659/AJCR.952222

Am J Case Rep 2026; 27:e952222

367 647 0

#951751

05 Apr 2026 : Case report  Vietnam

Methotrexate-Induced Encephalopathy Mimicking Acute Ischemic Stroke in an Adolescent With Osteosarcoma: A Case Report

Trinh Van Duong ORCID logo, Duong Thu Huong ORCID logo, Khoa Quy ORCID logo, Nguyen Thi Minh Phuong ORCID logo, Ha Quoc Hung ORCID logo

DOI: 10.12659/AJCR.951751

Am J Case Rep 2026; 27:e951751

388 837 0

#951751

05 Apr 2026 : Case report  Vietnam

Methotrexate-Induced Encephalopathy Mimicking Acute Ischemic Stroke in an Adolescent With Osteosarcoma: A Case Report

Trinh Van Duong ORCID logo, Duong Thu Huong ORCID logo, Khoa Quy ORCID logo, Nguyen Thi Minh Phuong ORCID logo, Ha Quoc Hung ORCID logo

DOI: 10.12659/AJCR.951751

Am J Case Rep 2026; 27:e951751

388 837 0

#951333

03 Apr 2026 : Case report  China

A 62-Year-Old Man With Tricuspid Valve Endocarditis, Bacteremia, and Septic Pulmonary Embolism Following Long-Needle Acupuncture

Yi Zhang ORCID logo, Li Yi

DOI: 10.12659/AJCR.951333

Am J Case Rep 2026; 27:e951333

488 756 0

#951333

03 Apr 2026 : Case report  China

A 62-Year-Old Man With Tricuspid Valve Endocarditis, Bacteremia, and Septic Pulmonary Embolism Following Long-Needle Acupuncture

Yi Zhang ORCID logo, Li Yi

DOI: 10.12659/AJCR.951333

Am J Case Rep 2026; 27:e951333

488 756 0

#952509

02 Apr 2026 : Case report  Saudi Arabia

Use of Apixaban for Venous Thromboembolism Prophylaxis in an Older Hemodialysis Patient After Total Knee Replacement: A Case Report

Abdalrhman H. Alanizi ORCID logo, Noof H. Alanazi, Aseel S. Bin Makhash, Rana H. Alotibi, Reem M. Qubaiban, Amal M. Badawoud, Maad F. AlSaati

DOI: 10.12659/AJCR.952509

Am J Case Rep 2026; 27:e952509

401 1,332 0

#952509

02 Apr 2026 : Case report  Saudi Arabia

Use of Apixaban for Venous Thromboembolism Prophylaxis in an Older Hemodialysis Patient After Total Knee Replacement: A Case Report

Abdalrhman H. Alanizi ORCID logo, Noof H. Alanazi, Aseel S. Bin Makhash, Rana H. Alotibi, Reem M. Qubaiban, Amal M. Badawoud, Maad F. AlSaati

DOI: 10.12659/AJCR.952509

Am J Case Rep 2026; 27:e952509

401 1332 0

#951012

29 Mar 2026 : Case report  Japan

Thermal Injury Leading to Myocardial Perforation During Cavotricuspid Isthmus Ablation: A Case Report

Kohei Sawasaki, Natsuko Hosoya, Masahiro Mutoh

DOI: 10.12659/AJCR.951012

Am J Case Rep 2026; 27:e951012

354 598 0

#951012

29 Mar 2026 : Case report  Japan

Thermal Injury Leading to Myocardial Perforation During Cavotricuspid Isthmus Ablation: A Case Report

Kohei Sawasaki, Natsuko Hosoya, Masahiro Mutoh

DOI: 10.12659/AJCR.951012

Am J Case Rep 2026; 27:e951012

354 598 0

#950915

21 Mar 2026 : Case report  Japan

Janus Kinase Inhibitor Upadacitinib in Elderly-Onset Rheumatoid Arthritis With Hip Osteoarthritis: A Case Report

Yusuke Sanji, Isao Matsushita, Eiji Takahashi, Makoto Fukui, Hironori Kitajima ORCID logo, Ayumi Kaneuji

DOI: 10.12659/AJCR.950915

Am J Case Rep 2026; 27:e950915

513 747 0

#950915

21 Mar 2026 : Case report  Japan

Janus Kinase Inhibitor Upadacitinib in Elderly-Onset Rheumatoid Arthritis With Hip Osteoarthritis: A Case Report

Yusuke Sanji, Isao Matsushita, Eiji Takahashi, Makoto Fukui, Hironori Kitajima ORCID logo, Ayumi Kaneuji

DOI: 10.12659/AJCR.950915

Am J Case Rep 2026; 27:e950915

513 747 0

#947844

23 Mar 2026 : Case report  Indonesia

Isolated Premature Menarche in a 17-Month-Old: A Case Report

Dewi Rani Pelitawati ORCID logo, Artha Falentin Putri Susilo ORCID logo, Anita Rachmawati ORCID logo, Wiryawan Permadi ORCID logo, Putri Nadhira Adinda Adriansyah ORCID logo, Nabila Chantikarizky Hasanah ORCID logo

DOI: 10.12659/AJCR.947844

Am J Case Rep 2026; 27:e947844

557 1,451 0

#947844

23 Mar 2026 : Case report  Indonesia

Isolated Premature Menarche in a 17-Month-Old: A Case Report

Dewi Rani Pelitawati ORCID logo, Artha Falentin Putri Susilo ORCID logo, Anita Rachmawati ORCID logo, Wiryawan Permadi ORCID logo, Putri Nadhira Adinda Adriansyah ORCID logo, Nabila Chantikarizky Hasanah ORCID logo

DOI: 10.12659/AJCR.947844

Am J Case Rep 2026; 27:e947844

557 1451 0

#951064

17 Feb 2026 : Case report  United Arab Emirates

Anti-MDA5 Antibody-Positive Dermatomyositis in Emirati Patients: A Case Series Highlighting Clinical Variability

Deena Ahmed, Khulood Khawaja, Afra Al Dhaheri, Abdulla Alshamsi, Amna Almheiri, Ahlam Almarzooqi, Sarah Al Qassimi, Rajaie Namas, Gehad ElGhazali

DOI: 10.12659/AJCR.951064

Am J Case Rep 2026; 27:e951064

851 2,071 0

#951064

17 Feb 2026 : Case report  United Arab Emirates

Anti-MDA5 Antibody-Positive Dermatomyositis in Emirati Patients: A Case Series Highlighting Clinical Variability

Deena Ahmed, Khulood Khawaja, Afra Al Dhaheri, Abdulla Alshamsi, Amna Almheiri, Ahlam Almarzooqi, Sarah Al Qassimi, Rajaie Namas, Gehad ElGhazali

DOI: 10.12659/AJCR.951064

Am J Case Rep 2026; 27:e951064

851 2071 0

#951570

19 Mar 2026 : Case report  Thailand

Early Diagnosis of Nieman–Pick Disease Type C and Rapid Response of Gelastic Cataplexy to Treatment With N-Acetyl-L-Leucine: A Case Report

Kitiwan Rojnueangnit ORCID logo, Sukita Puttamanee ORCID logo, Sukkrawan Intarakhao, Khanittha Khusiwilai ORCID logo

DOI: 10.12659/AJCR.951570

Am J Case Rep 2026; 27:e951570

563 937 0

#951570

19 Mar 2026 : Case report  Thailand

Early Diagnosis of Nieman–Pick Disease Type C and Rapid Response of Gelastic Cataplexy to Treatment With N-Acetyl-L-Leucine: A Case Report

Kitiwan Rojnueangnit ORCID logo, Sukita Puttamanee ORCID logo, Sukkrawan Intarakhao, Khanittha Khusiwilai ORCID logo

DOI: 10.12659/AJCR.951570

Am J Case Rep 2026; 27:e951570

563 937 0

#951067

18 Mar 2026 : Case report  USA

Therapeutic Use of Melatonin for Gastrointestinal Motility and Hypersomnolence in a Patient With Pineal Cyst Pathology

Austin R. Cross, Julia R. Van Liew ORCID logo, Poojan Thakkar ORCID logo, Autumn Brunia ORCID logo

DOI: 10.12659/AJCR.951067

Am J Case Rep 2026; 27:e951067

601 1,397 0

#951067

18 Mar 2026 : Case report  USA

Therapeutic Use of Melatonin for Gastrointestinal Motility and Hypersomnolence in a Patient With Pineal Cyst Pathology

Austin R. Cross, Julia R. Van Liew ORCID logo, Poojan Thakkar ORCID logo, Autumn Brunia ORCID logo

DOI: 10.12659/AJCR.951067

Am J Case Rep 2026; 27:e951067

601 1397 0

#950688

17 Mar 2026 : Case report  Saudi Arabia

Linezolid-Associated Triad of Acute Pancreatitis, Lactic Acidosis, and Hypoglycemia: A Rare Case Report and Literature Review

Manar Abdullah Makin, Ahmed Hussein Subki ORCID logo, Manal Ismail Bokhary

DOI: 10.12659/AJCR.950688

Am J Case Rep 2026; 27:e950688

573 1,053 0

#950688

17 Mar 2026 : Case report  Saudi Arabia

Linezolid-Associated Triad of Acute Pancreatitis, Lactic Acidosis, and Hypoglycemia: A Rare Case Report and Literature Review

Manar Abdullah Makin, Ahmed Hussein Subki ORCID logo, Manal Ismail Bokhary

DOI: 10.12659/AJCR.950688

Am J Case Rep 2026; 27:e950688

573 1053 0

#950833

15 Mar 2026 : Case report  China

Significant Improvement in High Myopic Anisometropic Amblyopia Treated With Repeated Low-Level Red-Light (RLRL) Therapy: A Case Report

Qiu-Jian Zhu, Jian-Jun Liu, Lan-Jun Niu, Guang-Hui Zhao

DOI: 10.12659/AJCR.950833

Am J Case Rep 2026; 27:e950833

536 1,363 0

#950833

15 Mar 2026 : Case report  China

Significant Improvement in High Myopic Anisometropic Amblyopia Treated With Repeated Low-Level Red-Light (RLRL) Therapy: A Case Report

Qiu-Jian Zhu, Jian-Jun Liu, Lan-Jun Niu, Guang-Hui Zhao

DOI: 10.12659/AJCR.950833

Am J Case Rep 2026; 27:e950833

536 1363 0

#951331

12 Feb 2026 : Case report  USA

Bilateral Adrenal Infarction as an Uncommon Complication of Heparin-Induced Thrombocytopenia: A Case Report

Abhinav Singla ORCID logo, Asmita Addanki ORCID logo, Aleena Shahnawaz ORCID logo, Alyssa Catherine Raj ORCID logo, Anam Sadia, Shah Rukh, Muhammad Ali ORCID logo, Aleksandra Murawska Baptista ORCID logo

DOI: 10.12659/AJCR.951331

Am J Case Rep 2026; 27:e951331

685 1,132 0

#951331

12 Feb 2026 : Case report  USA

Bilateral Adrenal Infarction as an Uncommon Complication of Heparin-Induced Thrombocytopenia: A Case Report

Abhinav Singla ORCID logo, Asmita Addanki ORCID logo, Aleena Shahnawaz ORCID logo, Alyssa Catherine Raj ORCID logo, Anam Sadia, Shah Rukh, Muhammad Ali ORCID logo, Aleksandra Murawska Baptista ORCID logo

DOI: 10.12659/AJCR.951331

Am J Case Rep 2026; 27:e951331

685 1132 0

#950337

11 Mar 2026 : Case report  China

Capsaicin-Triggered Vaginal Burning Due to Obstructed Rectovaginal Fistula: A Rare Case of Perineal Coproliths

Yujiao Wu, Weizheng Huang, Yong Wen, Cengzi Huang, Yaling Li, Jun Li

DOI: 10.12659/AJCR.950337

Am J Case Rep 2026; 27:e950337

610 1,195 0

#950337

11 Mar 2026 : Case report  China

Capsaicin-Triggered Vaginal Burning Due to Obstructed Rectovaginal Fistula: A Rare Case of Perineal Coproliths

Yujiao Wu, Weizheng Huang, Yong Wen, Cengzi Huang, Yaling Li, Jun Li

DOI: 10.12659/AJCR.950337

Am J Case Rep 2026; 27:e950337

610 1195 0

#950992

09 Mar 2026 : Case report  China

Recurrent Eosinophilic Pancreatitis With Eosinophilic Gastroenteritis: A Case Report

Xinyu Li, Donglei Zhang, Yanchen Li, Kunning Zhang, Ning Li

DOI: 10.12659/AJCR.950992

Am J Case Rep 2026; 27:e950992

467 1,113 0

#950992

09 Mar 2026 : Case report  China

Recurrent Eosinophilic Pancreatitis With Eosinophilic Gastroenteritis: A Case Report

Xinyu Li, Donglei Zhang, Yanchen Li, Kunning Zhang, Ning Li

DOI: 10.12659/AJCR.950992

Am J Case Rep 2026; 27:e950992

467 1113 0

#950618

09 Mar 2026 : Case report  USA

Endovascular Coil Migration to Duodenal Lumen After Gastroduodenal Artery Embolization in a 90-Year-Old-Woman, Complicating Upper-GI Bleed Management: A Case Report

Taylor A. Hagans ORCID logo, Lauren Canaff, Ryan Rimer, Frank J. Nemec

DOI: 10.12659/AJCR.950618

Am J Case Rep 2026; 27:e950618

429 1,009 0

#950618

09 Mar 2026 : Case report  USA

Endovascular Coil Migration to Duodenal Lumen After Gastroduodenal Artery Embolization in a 90-Year-Old-Woman, Complicating Upper-GI Bleed Management: A Case Report

Taylor A. Hagans ORCID logo, Lauren Canaff, Ryan Rimer, Frank J. Nemec

DOI: 10.12659/AJCR.950618

Am J Case Rep 2026; 27:e950618

429 1009 0

#950857

07 Mar 2026 : Case report  Norway

Cryoglobulinemia Type II: Sustained Remission After B-Cell–Directed Therapy

Sara Giæver Suul ORCID logo, Ann Kristin Kvam, Malu Lian Hestdalen, Ulla Randen ORCID logo, Øyvind Midtvedt, Geir E. Tjønnfjord

DOI: 10.12659/AJCR.950857

Am J Case Rep 2026; 27:e950857

489 919 0

#950857

07 Mar 2026 : Case report  Norway

Cryoglobulinemia Type II: Sustained Remission After B-Cell–Directed Therapy

Sara Giæver Suul ORCID logo, Ann Kristin Kvam, Malu Lian Hestdalen, Ulla Randen ORCID logo, Øyvind Midtvedt, Geir E. Tjønnfjord

DOI: 10.12659/AJCR.950857

Am J Case Rep 2026; 27:e950857

489 919 0

#951172

06 Mar 2026 : Case report  China

Multifocal Digital Squamous Cell Carcinoma With Sarcoma Differentiation: A Case Report

Yingling Xiang, Liuchang Tan

DOI: 10.12659/AJCR.951172

Am J Case Rep 2026; 27:e951172

450 1,035 0

#951172

06 Mar 2026 : Case report  China

Multifocal Digital Squamous Cell Carcinoma With Sarcoma Differentiation: A Case Report

Yingling Xiang, Liuchang Tan

DOI: 10.12659/AJCR.951172

Am J Case Rep 2026; 27:e951172

450 1035 0

#950820

05 Mar 2026 : Case report  Poland

Bilateral Eales’ Disease Managed With Vitrectomy and Anti-VEGF Therapy: A Case Report

Zuzanna Lelek ORCID logo, Martyna Machaj ORCID logo, Katarzyna Krysik ORCID logo, Dominika Janiszewska-Bil ORCID logo, Dariusz Dobrowolski ORCID logo, Sylwia Ewa Szendzielorz-Krzempek, Beniamin Oskar Grabarek ORCID logo, Anita Lyssek-Boroń ORCID logo

DOI: 10.12659/AJCR.950820

Am J Case Rep 2026; 27:e950820

490 826 0

#950820

05 Mar 2026 : Case report  Poland

Bilateral Eales’ Disease Managed With Vitrectomy and Anti-VEGF Therapy: A Case Report

Zuzanna Lelek ORCID logo, Martyna Machaj ORCID logo, Katarzyna Krysik ORCID logo, Dominika Janiszewska-Bil ORCID logo, Dariusz Dobrowolski ORCID logo, Sylwia Ewa Szendzielorz-Krzempek, Beniamin Oskar Grabarek ORCID logo, Anita Lyssek-Boroń ORCID logo

DOI: 10.12659/AJCR.950820

Am J Case Rep 2026; 27:e950820

490 826 0

#949653

05 Mar 2026 : Case report  Italy

Leukocytoclastic Vasculitis Induced by Dalbavancin: A Case Report

Vincenzo Scaglione ORCID logo, Marco Cola, Lolita Sasset, Francesco Fortarezza ORCID logo, Carla Casarin, Marco Trevenzoli, Angelo Paolo Dei Tos, Annamaria Cattelan

DOI: 10.12659/AJCR.949653

Am J Case Rep 2026; 27:e949653

559 976 0

#949653

05 Mar 2026 : Case report  Italy

Leukocytoclastic Vasculitis Induced by Dalbavancin: A Case Report

Vincenzo Scaglione ORCID logo, Marco Cola, Lolita Sasset, Francesco Fortarezza ORCID logo, Carla Casarin, Marco Trevenzoli, Angelo Paolo Dei Tos, Annamaria Cattelan

DOI: 10.12659/AJCR.949653

Am J Case Rep 2026; 27:e949653

559 976 0

#948944

04 Mar 2026 : Case report  Saudi Arabia

Reduced Accommodation Without Mydriasis After Micropulse Cyclophotocoagulation in a Young Congenital Glaucoma Patient: A Case Report

Meznah H. Alsanad, Reem M. Hersi ORCID logo, Sami Alshahwan, Furat Alrajhi ORCID logo

DOI: 10.12659/AJCR.948944

Am J Case Rep 2026; 27:e948944

435 700 0

#948944

04 Mar 2026 : Case report  Saudi Arabia

Reduced Accommodation Without Mydriasis After Micropulse Cyclophotocoagulation in a Young Congenital Glaucoma Patient: A Case Report

Meznah H. Alsanad, Reem M. Hersi ORCID logo, Sami Alshahwan, Furat Alrajhi ORCID logo

DOI: 10.12659/AJCR.948944

Am J Case Rep 2026; 27:e948944

435 700 0

#949272

26 Feb 2026 : Case report  Colombia

Diagnostic and Therapeutic Approaches to Pediatric Pulmonary Abscess: A Case Report

Jhon Camacho-Cruz ORCID logo, María Victoria Alfonso-Hernández ORCID logo, Marieta Arjona-Quintero ORCID logo, William Ricardo Bachiller-Tuta ORCID logo, Maria Luisa Beltran-Echeverry ORCID logo

DOI: 10.12659/AJCR.949272

Am J Case Rep 2026; 27:e949272

527 1,333 0

#949272

26 Feb 2026 : Case report  Colombia

Diagnostic and Therapeutic Approaches to Pediatric Pulmonary Abscess: A Case Report

Jhon Camacho-Cruz ORCID logo, María Victoria Alfonso-Hernández ORCID logo, Marieta Arjona-Quintero ORCID logo, William Ricardo Bachiller-Tuta ORCID logo, Maria Luisa Beltran-Echeverry ORCID logo

DOI: 10.12659/AJCR.949272

Am J Case Rep 2026; 27:e949272

527 1333 0

#951215

01 Mar 2026 : Case report  China

Primary Aldosteronism Causing Aortic Dissection: A Case Report

Quan Zuo, Li Zhao ORCID logo, Tao Ge

DOI: 10.12659/AJCR.951215

Am J Case Rep 2026; 27:e951215

540 849 0

#951215

01 Mar 2026 : Case report  China

Primary Aldosteronism Causing Aortic Dissection: A Case Report

Quan Zuo, Li Zhao ORCID logo, Tao Ge

DOI: 10.12659/AJCR.951215

Am J Case Rep 2026; 27:e951215

540 849 0

In Press

Case report  Saudi Arabia

Primary Small Cell Neuroendocrine Carcinoma of the Breast in a 75-Year-Old Woman With Aggressive Recurrence...

Am J Case Rep In Press; DOI: 10.12659/AJCR.952443  

Case report  USA

Single-Dose Nivolumab as a Trigger of Myocarditis, Myositis, and Myasthenia Gravis Overlap Syndrome With La...

Am J Case Rep In Press; DOI: 10.12659/AJCR.953173  

Case report  Japan

A 73-Year-Old Man With a Late Isolated Brain Metastasis of Clear Cell Renal Cell Carcinoma Following a Dura...

Am J Case Rep In Press; DOI: 10.12659/AJCR.953192  

Case report  China

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

Am J Case Rep In Press; DOI: 10.12659/AJCR.952818  

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