Challenging differential diagnosis

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
726 1,238 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
726 1238 0

16 Apr 2026 : Case report
Efgartigimod as Rescue Therapy for PD-1 Inhibitor–Associated Myasthenia Gravis, Myocarditis, and Myositis (MMM) Syndrome: A 2-Case Report and Literature Review
Zi-Han Liu, Li-Min Duan, Xiang-Zhi Fang, Wen Jiang, Sheng-Wen Sun, You Shang
, Chao-Lin Huang
, Yin Yuan
DOI: 10.12659/AJCR.951872
Am J Case Rep 2026; 27:e951872
1,020 1,743 0

16 Apr 2026 : Case report
Efgartigimod as Rescue Therapy for PD-1 Inhibitor–Associated Myasthenia Gravis, Myocarditis, and Myositis (MMM) Syndrome: A 2-Case Report and Literature Review
Zi-Han Liu, Li-Min Duan, Xiang-Zhi Fang, Wen Jiang, Sheng-Wen Sun, You Shang
, Chao-Lin Huang
, Yin Yuan
DOI: 10.12659/AJCR.951872
Am J Case Rep 2026; 27:e951872
1020 1743 0

12 Apr 2026 : Case report
Isolated Mental Nerve Neuropathy as the First Clinical Sign of Nodal Marginal Zone Lymphoma: A Diagnostic Challenge
Anusha Abdullah, Philipp Poxleitner, Ina Dewenter, Paris Liokatis
, Wenko Smolka, Katharina Theresa Obermeier
DOI: 10.12659/AJCR.952353
Am J Case Rep 2026; 27:e952353
641 1,162 0

12 Apr 2026 : Case report
Isolated Mental Nerve Neuropathy as the First Clinical Sign of Nodal Marginal Zone Lymphoma: A Diagnostic Challenge
Anusha Abdullah, Philipp Poxleitner, Ina Dewenter, Paris Liokatis
, Wenko Smolka, Katharina Theresa Obermeier
DOI: 10.12659/AJCR.952353
Am J Case Rep 2026; 27:e952353
641 1162 0

14 Apr 2026 : Case report
Persistent Bilateral Optic Disc Swelling in Non-Syndromic Retinitis Pigmentosa: A Case Report
Maram Alenazi, Moustafa S. Magliyah, Wael A. Alsakran
DOI: 10.12659/AJCR.951708
Am J Case Rep 2026; 27:e951708
579 1,396 0

14 Apr 2026 : Case report
Persistent Bilateral Optic Disc Swelling in Non-Syndromic Retinitis Pigmentosa: A Case Report
Maram Alenazi, Moustafa S. Magliyah, Wael A. Alsakran
DOI: 10.12659/AJCR.951708
Am J Case Rep 2026; 27:e951708
579 1396 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
662 1,061 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
662 1061 0

11 Apr 2026 : Case report
Recurrent Bilateral Macular Edema Linked to NOTCH2NLC GGC Repeat Expansion: A Case Report
Ruikang Tan, Minming Zheng, Zheng Zheng, Caixin Wu, Wenli Liu, Ziyan Xu
DOI: 10.12659/AJCR.951749
Am J Case Rep 2026; 27:e951749
569 941 0

11 Apr 2026 : Case report
Recurrent Bilateral Macular Edema Linked to NOTCH2NLC GGC Repeat Expansion: A Case Report
Ruikang Tan, Minming Zheng, Zheng Zheng, Caixin Wu, Wenli Liu, Ziyan Xu
DOI: 10.12659/AJCR.951749
Am J Case Rep 2026; 27:e951749
569 941 0

07 Apr 2026 : Case report
Right Temporal Lobe Tuberculoma Presenting as Seizures in a Patient With Pulmonary Tuberculosis
Shibhani Rajanna, Siobhan Prasad, Marina Shaji, Krutagni Mehta, Patrice Hassoun, Doreen McSharry, Abraham Lo, Sameh Elias, Hadrian Hoang-Vu Tran
DOI: 10.12659/AJCR.951659
Am J Case Rep 2026; 27:e951659
653 1,631 0

07 Apr 2026 : Case report
Right Temporal Lobe Tuberculoma Presenting as Seizures in a Patient With Pulmonary Tuberculosis
Shibhani Rajanna, Siobhan Prasad, Marina Shaji, Krutagni Mehta, Patrice Hassoun, Doreen McSharry, Abraham Lo, Sameh Elias, Hadrian Hoang-Vu Tran
DOI: 10.12659/AJCR.951659
Am J Case Rep 2026; 27:e951659
653 1631 0

02 Apr 2026 : Case report
Seizures from Chronic Salicylate Intoxication Following Household Exposure to Incense Fumes
Priyanka Shekhawat, Sarah Khan
, Logeswary Rajagopalan
DOI: 10.12659/AJCR.952094
Am J Case Rep 2026; 27:e952094
634 2,238 0

02 Apr 2026 : Case report
Seizures from Chronic Salicylate Intoxication Following Household Exposure to Incense Fumes
Priyanka Shekhawat, Sarah Khan
, Logeswary Rajagopalan
DOI: 10.12659/AJCR.952094
Am J Case Rep 2026; 27:e952094
634 2238 0

06 Apr 2026 : Case report
Lyme Neuroborreliosis With Acute Encephalopathy Despite Early Antibiotic Therapy: A Case Report
Jon M. Johannesson, Kristen V. Dicks, Michelle E. Perkons
, Diego F. Cepeda Mora, Matthew W. Luedke
, Matthew E. Ehrlich
, Jessica L. Houk, Mehri S. McKellar
DOI: 10.12659/AJCR.951927
Am J Case Rep 2026; 27:e951927
644 1,541 0

06 Apr 2026 : Case report
Lyme Neuroborreliosis With Acute Encephalopathy Despite Early Antibiotic Therapy: A Case Report
Jon M. Johannesson, Kristen V. Dicks, Michelle E. Perkons
, Diego F. Cepeda Mora, Matthew W. Luedke
, Matthew E. Ehrlich
, Jessica L. Houk, Mehri S. McKellar
DOI: 10.12659/AJCR.951927
Am J Case Rep 2026; 27:e951927
644 1541 0

09 Apr 2026 : Case report
Pyoderma Gangrenosum of the Eyelid: A Challenging Case
Zahrah Ahmed AlAbdullah, Dareen Khawjah, Mostafa Elewa, Eman Faroq Alsaleh
DOI: 10.12659/AJCR.948482
Am J Case Rep 2026; 27:e948482
576 1,026 0

09 Apr 2026 : Case report
Pyoderma Gangrenosum of the Eyelid: A Challenging Case
Zahrah Ahmed AlAbdullah, Dareen Khawjah, Mostafa Elewa, Eman Faroq Alsaleh
DOI: 10.12659/AJCR.948482
Am J Case Rep 2026; 27:e948482
576 1026 0

08 Apr 2026 : Case report
A 9-Year-Old Boy With Strabismus, Anisometropic Amblyopia, and Myopia in the Left Eye, Associated With Myelinated Retinal Nerve Fibers Syndrome, Managed With Multimodal Therapy
Yujiao Zhang
DOI: 10.12659/AJCR.950743
Am J Case Rep 2026; 27:e950743
532 972 0

08 Apr 2026 : Case report
A 9-Year-Old Boy With Strabismus, Anisometropic Amblyopia, and Myopia in the Left Eye, Associated With Myelinated Retinal Nerve Fibers Syndrome, Managed With Multimodal Therapy
Yujiao Zhang
DOI: 10.12659/AJCR.950743
Am J Case Rep 2026; 27:e950743
532 972 0

07 Apr 2026 : Case report
Mycosis Fungoides With Large Cell Lymphoma Transformation: A Report of a Rare Case
Miguel Augusto Martins Pereira
, João Vitor Madureira Bronzo
, Noémie Fourcroy Maillard
, Luciana Pantaleão
DOI: 10.12659/AJCR.951343
Am J Case Rep 2026; 27:e951343
555 1,600 0

07 Apr 2026 : Case report
Mycosis Fungoides With Large Cell Lymphoma Transformation: A Report of a Rare Case
Miguel Augusto Martins Pereira
, João Vitor Madureira Bronzo
, Noémie Fourcroy Maillard
, Luciana Pantaleão
DOI: 10.12659/AJCR.951343
Am J Case Rep 2026; 27:e951343
555 1600 0

03 Apr 2026 : Case report
Acute Gallbladder Volvulus in a 93-Year-Old High-Risk Patient: A Case Report
Olga Bystrova, Maximilian Brunner, Axel Schmid, Robert Grützmann, Andreas Robert Rudolf Weiss
DOI: 10.12659/AJCR.952111
Am J Case Rep 2026; 27:e952111
568 998 0

03 Apr 2026 : Case report
Acute Gallbladder Volvulus in a 93-Year-Old High-Risk Patient: A Case Report
Olga Bystrova, Maximilian Brunner, Axel Schmid, Robert Grützmann, Andreas Robert Rudolf Weiss
DOI: 10.12659/AJCR.952111
Am J Case Rep 2026; 27:e952111
568 998 0

04 Apr 2026 : Case report
Rapid Cavitary Pneumonia and Reversible Hepatic Injury in Burkholderia pseudomallei ST271 Infection
Nan Zhang, Liang Li, Fang Chen
, Xun Kang, Lei Liu, Dai Kuang
DOI: 10.12659/AJCR.951729
Am J Case Rep 2026; 27:e951729
668 1,001 0

04 Apr 2026 : Case report
Rapid Cavitary Pneumonia and Reversible Hepatic Injury in Burkholderia pseudomallei ST271 Infection
Nan Zhang, Liang Li, Fang Chen
, Xun Kang, Lei Liu, Dai Kuang
DOI: 10.12659/AJCR.951729
Am J Case Rep 2026; 27:e951729
668 1001 0

31 Mar 2026 : Case report
Unmasking Hypercoagulability: Superior Sagittal Sinus Thrombosis Attributed to Pernicious Anemia in a Patient With Normal Hemoglobin Levels
Tiwanna B. Mclaughlin, Kiera Brigh Turner
, Rida Altaf, Mario Madruga, Stephen J. Carlan
DOI: 10.12659/AJCR.951023
Am J Case Rep 2026; 27:e951023
581 1,062 0

31 Mar 2026 : Case report
Unmasking Hypercoagulability: Superior Sagittal Sinus Thrombosis Attributed to Pernicious Anemia in a Patient With Normal Hemoglobin Levels
Tiwanna B. Mclaughlin, Kiera Brigh Turner
, Rida Altaf, Mario Madruga, Stephen J. Carlan
DOI: 10.12659/AJCR.951023
Am J Case Rep 2026; 27:e951023
581 1062 0

03 Mar 2026 : Case report
A 17-Year-Old Male Adolescent With a Giant Isolated Scalp Neurofibroma Associated With a Calvarial Defect: A Case Report
Mustafa Kaya, Muhammed Ömer Bakaç, Cemil Atahan Cevrioğlu, Çağla Özdemir
DOI: 10.12659/AJCR.952287
Am J Case Rep 2026; 27:e952287
615 1,308 0

03 Mar 2026 : Case report
A 17-Year-Old Male Adolescent With a Giant Isolated Scalp Neurofibroma Associated With a Calvarial Defect: A Case Report
Mustafa Kaya, Muhammed Ömer Bakaç, Cemil Atahan Cevrioğlu, Çağla Özdemir
DOI: 10.12659/AJCR.952287
Am J Case Rep 2026; 27:e952287
615 1308 0

30 Mar 2026 : Case report
Laparoscopic Biliary Revision for Choledocholithiasis After Roux-en-Y-Gastric Bypass: A Case Report and Discussion of Management Strategies
Robin Benhauresch, Alexander A. Gogos, Bernhard Magdeburg, Christopher Soll, Magdalena Biraima-Steinemann, Marius Arbogast
DOI: 10.12659/AJCR.950040
Am J Case Rep 2026; 27:e950040
498 942 0

30 Mar 2026 : Case report
Laparoscopic Biliary Revision for Choledocholithiasis After Roux-en-Y-Gastric Bypass: A Case Report and Discussion of Management Strategies
Robin Benhauresch, Alexander A. Gogos, Bernhard Magdeburg, Christopher Soll, Magdalena Biraima-Steinemann, Marius Arbogast
DOI: 10.12659/AJCR.950040
Am J Case Rep 2026; 27:e950040
498 942 0

01 Apr 2026 : Case report
A 64-Year-Old Man Presenting With Diplopia and Right Orbital Swelling Due to Mucosa-Associated Lymphoid Tissue Lymphoma
Lubna M. Altamimi, Farjah H. Algahtani
, Mohammed Ghannam Alharbi, Fadi S. Alakeel, Beshayer A. Alhentti
DOI: 10.12659/AJCR.951426
Am J Case Rep 2026; 27:e951426
397 851 0

01 Apr 2026 : Case report
A 64-Year-Old Man Presenting With Diplopia and Right Orbital Swelling Due to Mucosa-Associated Lymphoid Tissue Lymphoma
Lubna M. Altamimi, Farjah H. Algahtani
, Mohammed Ghannam Alharbi, Fadi S. Alakeel, Beshayer A. Alhentti
DOI: 10.12659/AJCR.951426
Am J Case Rep 2026; 27:e951426
397 851 0

31 Mar 2026 : Case report
Pancreatic Solitary Fibrous Tumor: A Common Tumor Occurring in a Rare Location
Qiang Zeng, Guo-ping Li, Yu-peng Chen, Fang-ling Song, Feng Gao, Jie-zhen Li
DOI: 10.12659/AJCR.950097
Am J Case Rep 2026; 27:e950097
545 1,179 0

31 Mar 2026 : Case report
Pancreatic Solitary Fibrous Tumor: A Common Tumor Occurring in a Rare Location
Qiang Zeng, Guo-ping Li, Yu-peng Chen, Fang-ling Song, Feng Gao, Jie-zhen Li
DOI: 10.12659/AJCR.950097
Am J Case Rep 2026; 27:e950097
545 1179 0

29 Mar 2026 : Case report
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
500 942 0

29 Mar 2026 : Case report
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
500 942 0

29 Mar 2026 : Case report
Diagnostic Role of Anterior Segment Optical Coherence Tomography in an Atypical Presentation of Varicella Zoster Virus Interstitial Keratitis: A Case Report
Khalid Alsaggaf, Deema E. Jomar, Samar A. Al-Swailem
DOI: 10.12659/AJCR.950659
Am J Case Rep 2026; 27:e950659
549 961 0

29 Mar 2026 : Case report
Diagnostic Role of Anterior Segment Optical Coherence Tomography in an Atypical Presentation of Varicella Zoster Virus Interstitial Keratitis: A Case Report
Khalid Alsaggaf, Deema E. Jomar, Samar A. Al-Swailem
DOI: 10.12659/AJCR.950659
Am J Case Rep 2026; 27:e950659
549 961 0

28 Mar 2026 : Case report
Anti-Ma2 Encephalitis as a Treatable Cause of Narcolepsy Type 1: A Case Report
Meng Wang, Ning Zhang, Zhijie Bian, Yao Li, Shuhui Wang
DOI: 10.12659/AJCR.951827
Am J Case Rep 2026; 27:e951827
459 1,443 0

28 Mar 2026 : Case report
Anti-Ma2 Encephalitis as a Treatable Cause of Narcolepsy Type 1: A Case Report
Meng Wang, Ning Zhang, Zhijie Bian, Yao Li, Shuhui Wang
DOI: 10.12659/AJCR.951827
Am J Case Rep 2026; 27:e951827
459 1443 0

28 Mar 2026 : Case report
Hormone Receptor–Positive Encapsulated Papillary Carcinoma of the Breast With High-Grade Cytological Features: A Case Report With Invasive Heterogeneity
Yao Liu, Akihiro Shioya
, Yusuke Haba, Masafumi Inokuchi, Sohsuke Yamada
DOI: 10.12659/AJCR.951744
Am J Case Rep 2026; 27:e951744
509 1,291 0

28 Mar 2026 : Case report
Hormone Receptor–Positive Encapsulated Papillary Carcinoma of the Breast With High-Grade Cytological Features: A Case Report With Invasive Heterogeneity
Yao Liu, Akihiro Shioya
, Yusuke Haba, Masafumi Inokuchi, Sohsuke Yamada
DOI: 10.12659/AJCR.951744
Am J Case Rep 2026; 27:e951744
509 1291 0

27 Mar 2026 : Case report
Reverse Takotsubo Syndrome Triggered by COVID-19–Associated Cytokine Storm: Unveiling a Novel Pattern of Myocardial Dysfunction in SARS-CoV-2 Infection
Killen H. Briones-Claudett
, Killen H. Briones-Zamora
, Jaime Benites Solís
, María Antonieta Touriz Bonifaz
, Enny Berrus Zhumi
, Anahí D. Briones-Zamora
, Diana C. Briones Márquez
, Angela Germania Monserrate Romero
, Miguel Anderson Tayupanta Alban
, Hans Mautong
DOI: 10.12659/AJCR.951623
Am J Case Rep 2026; 27:e951623
723 1,405 0

27 Mar 2026 : Case report
Reverse Takotsubo Syndrome Triggered by COVID-19–Associated Cytokine Storm: Unveiling a Novel Pattern of Myocardial Dysfunction in SARS-CoV-2 Infection
Killen H. Briones-Claudett
, Killen H. Briones-Zamora
, Jaime Benites Solís
, María Antonieta Touriz Bonifaz
, Enny Berrus Zhumi
, Anahí D. Briones-Zamora
, Diana C. Briones Márquez
, Angela Germania Monserrate Romero
, Miguel Anderson Tayupanta Alban
, Hans Mautong
DOI: 10.12659/AJCR.951623
Am J Case Rep 2026; 27:e951623
723 1405 0

25 Mar 2026 : Case report
Gastric Point-of-Care Ultrasound Diagnosis of Unexpected Gastrointestinal Dysfunction During ICU Ward Rounds: A Case Report
Polyxeni Theodosopoulou
, Miguel Ángel Fernandez-Vaquero
, Ariel Duilio González-Delgado
, Marc Vives
DOI: 10.12659/AJCR.951576
Am J Case Rep 2026; 27:e951576
656 962 0

25 Mar 2026 : Case report
Gastric Point-of-Care Ultrasound Diagnosis of Unexpected Gastrointestinal Dysfunction During ICU Ward Rounds: A Case Report
Polyxeni Theodosopoulou
, Miguel Ángel Fernandez-Vaquero
, Ariel Duilio González-Delgado
, Marc Vives
DOI: 10.12659/AJCR.951576
Am J Case Rep 2026; 27:e951576
656 962 0
In Press
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Am J Case Rep In Press; DOI: 10.12659/AJCR.952921
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.953836
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Am J Case Rep In Press; DOI: 10.12659/AJCR.953059
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