Challenging differential diagnosis

22 Jun 2026 : Case report
Suspected Adult-Onset Congenital Myasthenic Syndrome Associated With a Heterozygous CHRND Variant in a Patient With Seropositive Rheumatoid Arthritis: A Case Report
Khaled Abdulwahab Amer
, Hanan Hassan Almalki
, Faisal Saud Alhudaithi
DOI: 10.12659/AJCR.952887
Am J Case Rep 2026; 27:e952887
233 160 0

22 Jun 2026 : Case report
Suspected Adult-Onset Congenital Myasthenic Syndrome Associated With a Heterozygous CHRND Variant in a Patient With Seropositive Rheumatoid Arthritis: A Case Report
Khaled Abdulwahab Amer
, Hanan Hassan Almalki
, Faisal Saud Alhudaithi
DOI: 10.12659/AJCR.952887
Am J Case Rep 2026; 27:e952887
233 160 0

17 Jun 2026 : Case report
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
, Meixia Huang, Liqin Ke, Shuxian Li, Xiaofen Tao, Guohong Zhu
DOI: 10.12659/AJCR.953643
Am J Case Rep 2026; 27:e953643
244 238 0

17 Jun 2026 : Case report
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
, Meixia Huang, Liqin Ke, Shuxian Li, Xiaofen Tao, Guohong Zhu
DOI: 10.12659/AJCR.953643
Am J Case Rep 2026; 27:e953643
244 238 0

01 Jul 2026 : Case report
Starvation-Type Euglycemic Ketoacidosis After Unsupervised Tirzepatide Use in a Non-Obese, Non-Diabetic Woman
Eslam Elsayed Abdelshafey
, Khaled Sewify
, Atheer Almutairi, Ragheb Elmessery, Sara Alotaishan
, Yasmin Youssuf Al-Gindan, Manal Ali Ahmad
, Wael Gomaa
DOI: 10.12659/AJCR.952750
Am J Case Rep 2026; 27:e952750
224 196 0

01 Jul 2026 : Case report
Starvation-Type Euglycemic Ketoacidosis After Unsupervised Tirzepatide Use in a Non-Obese, Non-Diabetic Woman
Eslam Elsayed Abdelshafey
, Khaled Sewify
, Atheer Almutairi, Ragheb Elmessery, Sara Alotaishan
, Yasmin Youssuf Al-Gindan, Manal Ali Ahmad
, Wael Gomaa
DOI: 10.12659/AJCR.952750
Am J Case Rep 2026; 27:e952750
224 196 0

28 Jun 2026 : Case report
Management of a Severe Traumatic Intrusion of a Permanent Incisor With Spontaneous Re-Eruption After Maxillary Expansion: A Surgical-Orthodontic Case Report
Claudia Capurro
, Giulia Romanelli, Alessandro Vullo, Nicola Laffi
DOI: 10.12659/AJCR.952814
Am J Case Rep 2026; 27:e952814
230 238 0

28 Jun 2026 : Case report
Management of a Severe Traumatic Intrusion of a Permanent Incisor With Spontaneous Re-Eruption After Maxillary Expansion: A Surgical-Orthodontic Case Report
Claudia Capurro
, Giulia Romanelli, Alessandro Vullo, Nicola Laffi
DOI: 10.12659/AJCR.952814
Am J Case Rep 2026; 27:e952814
230 238 0

26 Jun 2026 : Case report
A Perfect MDS Mimic: Zinc-Driven Copper Deficiency After Gastric Bypass in a Patient Using Denture Adhesive
Farzeen Fatma Syed, Ye Lin Son, Jessica Amos
DOI: 10.12659/AJCR.952171
Am J Case Rep 2026; 27:e952171
301 257 0

26 Jun 2026 : Case report
A Perfect MDS Mimic: Zinc-Driven Copper Deficiency After Gastric Bypass in a Patient Using Denture Adhesive
Farzeen Fatma Syed, Ye Lin Son, Jessica Amos
DOI: 10.12659/AJCR.952171
Am J Case Rep 2026; 27:e952171
301 257 0

30 Jun 2026 : Case report
Delayed Thyroid Metastasis of Lung Adenocarcinoma Mimicking Primary Thyroid Carcinoma: A Case Report
Yen Thi Le
, Hau Xuan Nguyen, Thai Hong Le, Anh Tuan Doan Van, Duong Thai Pham
, Tuan Minh Vu, Hoang Van Nguyen
DOI: 10.12659/AJCR.952744
Am J Case Rep 2026; 27:e952744
259 111 0

30 Jun 2026 : Case report
Delayed Thyroid Metastasis of Lung Adenocarcinoma Mimicking Primary Thyroid Carcinoma: A Case Report
Yen Thi Le
, Hau Xuan Nguyen, Thai Hong Le, Anh Tuan Doan Van, Duong Thai Pham
, Tuan Minh Vu, Hoang Van Nguyen
DOI: 10.12659/AJCR.952744
Am J Case Rep 2026; 27:e952744
259 111 0

29 Jun 2026 : Case report
Intraluminal Appendiceal Migration of an Intrauterine Device Without Appendicitis: A Case Report
Ángel Sánchez Tinajero
, Jusseline Villegas Amador
, Dulce Diana Guerra Aguirre
, Danna Patricia Ruiz Santillán
, María del Carmen Zamora López
, Anita Ríos Pérez
, Juan Ramón Razo Blancas
DOI: 10.12659/AJCR.951714
Am J Case Rep 2026; 27:e951714
208 164 0

29 Jun 2026 : Case report
Intraluminal Appendiceal Migration of an Intrauterine Device Without Appendicitis: A Case Report
Ángel Sánchez Tinajero
, Jusseline Villegas Amador
, Dulce Diana Guerra Aguirre
, Danna Patricia Ruiz Santillán
, María del Carmen Zamora López
, Anita Ríos Pérez
, Juan Ramón Razo Blancas
DOI: 10.12659/AJCR.951714
Am J Case Rep 2026; 27:e951714
208 164 0

24 Jun 2026 : Case report
Coexisting Amyloid Positivity and Probable Dementia With Lewy Bodies in a Patient With Rapid Eye Movement Sleep Behavior Disorder
Jae Hyeok Choi, Seungju Kim, Jaeyeong Bae
, Jiwon Lim
, Youngsoon Yang, Ik Dong Yoo
, Kwang Ik Yang
DOI: 10.12659/AJCR.952151
Am J Case Rep 2026; 27:e952151
300 248 0

24 Jun 2026 : Case report
Coexisting Amyloid Positivity and Probable Dementia With Lewy Bodies in a Patient With Rapid Eye Movement Sleep Behavior Disorder
Jae Hyeok Choi, Seungju Kim, Jaeyeong Bae
, Jiwon Lim
, Youngsoon Yang, Ik Dong Yoo
, Kwang Ik Yang
DOI: 10.12659/AJCR.952151
Am J Case Rep 2026; 27:e952151
300 248 0

27 Jun 2026 : Case report
Depicting Characteristic Staghorn Vessels in Solitary Fibrous Tumor of the Liver With Contrast-Enhanced Ultrasound and Ultrasound Localized Microscopy: A Case Report
Xue Lu
, Yuanqiang Xiao, Lili Wu, Jianning Chen
, An Liu
, Jie Ren, Yinglin Long
DOI: 10.12659/AJCR.952355
Am J Case Rep 2026; 27:e952355
212 128 0

27 Jun 2026 : Case report
Depicting Characteristic Staghorn Vessels in Solitary Fibrous Tumor of the Liver With Contrast-Enhanced Ultrasound and Ultrasound Localized Microscopy: A Case Report
Xue Lu
, Yuanqiang Xiao, Lili Wu, Jianning Chen
, An Liu
, Jie Ren, Yinglin Long
DOI: 10.12659/AJCR.952355
Am J Case Rep 2026; 27:e952355
212 128 0

21 Jun 2026 : Case report
When ST Elevation Is Not STEMI: Autonomic-Mediated Repolarization Abnormalities After Subarachnoid Hemorrhage
Anand Shah, Robin H. White
, Ziad Faramand, Sujoy Gulati
DOI: 10.12659/AJCR.952180
Am J Case Rep 2026; 27:e952180
356 331 0

21 Jun 2026 : Case report
When ST Elevation Is Not STEMI: Autonomic-Mediated Repolarization Abnormalities After Subarachnoid Hemorrhage
Anand Shah, Robin H. White
, Ziad Faramand, Sujoy Gulati
DOI: 10.12659/AJCR.952180
Am J Case Rep 2026; 27:e952180
356 331 0

06 May 2026 : Case report
Splenic Marginal Zone Lymphoma as a Vascular-Appearing Mass in a Patient With Sustained Virologic Response to Hepatitis C Therapy
Xu Hao Isaac Tan, Han Ning Yee
, Kah Wai Clarence Kwan, Alvin Yong Hui Tan
, Shawn Kok
, Min On Tan
DOI: 10.12659/AJCR.953179
Am J Case Rep 2026; 27:e953179
420 506 0

06 May 2026 : Case report
Splenic Marginal Zone Lymphoma as a Vascular-Appearing Mass in a Patient With Sustained Virologic Response to Hepatitis C Therapy
Xu Hao Isaac Tan, Han Ning Yee
, Kah Wai Clarence Kwan, Alvin Yong Hui Tan
, Shawn Kok
, Min On Tan
DOI: 10.12659/AJCR.953179
Am J Case Rep 2026; 27:e953179
420 506 0

16 Jun 2026 : Case report
Warm Autoimmune Hemolytic Anemia Presenting 21 Years After Liver Transplantation: A Case Report
Deepika Beereddy, Durga Naga Malleswara Rao Jonnalagadda
DOI: 10.12659/AJCR.953089
Am J Case Rep 2026; 27:e953089
382 468 0

16 Jun 2026 : Case report
Warm Autoimmune Hemolytic Anemia Presenting 21 Years After Liver Transplantation: A Case Report
Deepika Beereddy, Durga Naga Malleswara Rao Jonnalagadda
DOI: 10.12659/AJCR.953089
Am J Case Rep 2026; 27:e953089
382 468 0

14 Jun 2026 : Case report
Endobronchial Epstein-Barr Virus-Associated Smooth Muscle Tumor in Advanced HIV Infection: A Rare Case
Komson Wannasai, Pesol Hankittikanchana, Apiwish Kornkanjanarak, Pattraporn Tajarernmuang, Sarawut Kongkarnka
DOI: 10.12659/AJCR.952779
Am J Case Rep 2026; 27:e952779
356 365 0

14 Jun 2026 : Case report
Endobronchial Epstein-Barr Virus-Associated Smooth Muscle Tumor in Advanced HIV Infection: A Rare Case
Komson Wannasai, Pesol Hankittikanchana, Apiwish Kornkanjanarak, Pattraporn Tajarernmuang, Sarawut Kongkarnka
DOI: 10.12659/AJCR.952779
Am J Case Rep 2026; 27:e952779
356 365 0

12 Jun 2026 : Case report
Strangulated Small Bowel Obstruction Caused by a Migrated Ring-Shaped Intrauterine Device: Two Case Reports and a Literature Review
Yifan Lu, Jiaxu Zhu, Ziwen Wang, Xiangtian Shi, Xingchi Jiang, Dong Shang, Qingkai Zhang, Shuang Li
DOI: 10.12659/AJCR.952535
Am J Case Rep 2026; 27:e952535
334 368 0

12 Jun 2026 : Case report
Strangulated Small Bowel Obstruction Caused by a Migrated Ring-Shaped Intrauterine Device: Two Case Reports and a Literature Review
Yifan Lu, Jiaxu Zhu, Ziwen Wang, Xiangtian Shi, Xingchi Jiang, Dong Shang, Qingkai Zhang, Shuang Li
DOI: 10.12659/AJCR.952535
Am J Case Rep 2026; 27:e952535
334 368 0

08 Jun 2026 : Case report
An Unusual Presentation of Salmonella: Cellulitis, Gastroenteritis, and Bacteremia
Eric Pin-Shiuan Chen, Gabriel Rodriguez, Ajay Desai, Adlin Lawrence, Nelson Reyes, Salman A. Noor
DOI: 10.12659/AJCR.952571
Am J Case Rep 2026; 27:e952571
396 460 0

08 Jun 2026 : Case report
An Unusual Presentation of Salmonella: Cellulitis, Gastroenteritis, and Bacteremia
Eric Pin-Shiuan Chen, Gabriel Rodriguez, Ajay Desai, Adlin Lawrence, Nelson Reyes, Salman A. Noor
DOI: 10.12659/AJCR.952571
Am J Case Rep 2026; 27:e952571
396 460 0

06 Jun 2026 : Case report
Hyperglycemia Due to HNF1A-Mutation-Associated Maturity-Onset Diabetes of the Young (MODY) in a 6-Year-Old Kazakh Girl
Aiganym B. Toleuzhanova, Elena Zholdybayeva, Sholpan Eslamgalieva, Gulnara Svyatova, Ainash Akhmetollayeva
DOI: 10.12659/AJCR.951678
Am J Case Rep 2026; 27:e951678
368 480 0

06 Jun 2026 : Case report
Hyperglycemia Due to HNF1A-Mutation-Associated Maturity-Onset Diabetes of the Young (MODY) in a 6-Year-Old Kazakh Girl
Aiganym B. Toleuzhanova, Elena Zholdybayeva, Sholpan Eslamgalieva, Gulnara Svyatova, Ainash Akhmetollayeva
DOI: 10.12659/AJCR.951678
Am J Case Rep 2026; 27:e951678
368 480 0

05 Jun 2026 : Case report
Rare Complications in Crohn’s Disease: Diagnostic and Therapeutic Challenge of Dermal Abscesses Caused by Nontuberculous Mycobacteria Following Infliximab Therapy, and Fluoroquinolone-Related Achilles Tendon Rupture
Nidhi Gupta, Kriti Yadav, Andrew Carter, Brandon Karimian
, Charly Almonte, Rahul Sampath
DOI: 10.12659/AJCR.952790
Am J Case Rep 2026; 27:e952790
450 578 0

05 Jun 2026 : Case report
Rare Complications in Crohn’s Disease: Diagnostic and Therapeutic Challenge of Dermal Abscesses Caused by Nontuberculous Mycobacteria Following Infliximab Therapy, and Fluoroquinolone-Related Achilles Tendon Rupture
Nidhi Gupta, Kriti Yadav, Andrew Carter, Brandon Karimian
, Charly Almonte, Rahul Sampath
DOI: 10.12659/AJCR.952790
Am J Case Rep 2026; 27:e952790
450 578 0

02 Jun 2026 : Case report
Atypical Thyroid Storm Manifesting as Refractory Hypoglycemia and Fulminant Liver Failure in an Older Woman: A Case Report
Yi-Zhou Jiang, Wan-Lu Ma, Li Zhou
DOI: 10.12659/AJCR.951750
Am J Case Rep 2026; 27:e951750
358 556 0

02 Jun 2026 : Case report
Atypical Thyroid Storm Manifesting as Refractory Hypoglycemia and Fulminant Liver Failure in an Older Woman: A Case Report
Yi-Zhou Jiang, Wan-Lu Ma, Li Zhou
DOI: 10.12659/AJCR.951750
Am J Case Rep 2026; 27:e951750
358 556 0

30 May 2026 : Case report
Capnocytophaga canimorsus Bacteremia Without Animal Bite: A Rare but Severe Infection to Consider in Older Adults
Mostafa Hadid, Julien Soret
, Marie Sugier, Chana Azzoug, Clément Lahaye
DOI: 10.12659/AJCR.952371
Am J Case Rep 2026; 27:e952371
388 512 0

30 May 2026 : Case report
Capnocytophaga canimorsus Bacteremia Without Animal Bite: A Rare but Severe Infection to Consider in Older Adults
Mostafa Hadid, Julien Soret
, Marie Sugier, Chana Azzoug, Clément Lahaye
DOI: 10.12659/AJCR.952371
Am J Case Rep 2026; 27:e952371
388 512 0

30 May 2026 : Case report
An Isolated Colonic Neurofibroma Without Systemic Neurofibromatosis: A Rare Case Report and Literature Review
Hussain Ahmed Alessa, Tahar Yacoubi, Abdulrahman Almutawa, Afnan Alshayeb, Abdulaziz Althunayyan, Amaal Alqarfan, Saud Mohammed Alsubaie, Sarah Alomar, Fatimah Aljalal, Ayman Aledreesi, Wael Abdelgawad
DOI: 10.12659/AJCR.952586
Am J Case Rep 2026; 27:e952586
438 498 0

30 May 2026 : Case report
An Isolated Colonic Neurofibroma Without Systemic Neurofibromatosis: A Rare Case Report and Literature Review
Hussain Ahmed Alessa, Tahar Yacoubi, Abdulrahman Almutawa, Afnan Alshayeb, Abdulaziz Althunayyan, Amaal Alqarfan, Saud Mohammed Alsubaie, Sarah Alomar, Fatimah Aljalal, Ayman Aledreesi, Wael Abdelgawad
DOI: 10.12659/AJCR.952586
Am J Case Rep 2026; 27:e952586
438 498 0

29 May 2026 : Case report
Laparoscopic Reversal of One-Anastomosis Gastric Bypass After Sleeve Gastrectomy: A Case Report
Ayman Ahmed Sakr
, Malik Zweed Almutairi, Azdashir Fadhel Hawash, Ali Alhussain Alsahhari
DOI: 10.12659/AJCR.952517
Am J Case Rep 2026; 27:e952517
317 419 0

29 May 2026 : Case report
Laparoscopic Reversal of One-Anastomosis Gastric Bypass After Sleeve Gastrectomy: A Case Report
Ayman Ahmed Sakr
, Malik Zweed Almutairi, Azdashir Fadhel Hawash, Ali Alhussain Alsahhari
DOI: 10.12659/AJCR.952517
Am J Case Rep 2026; 27:e952517
317 419 0

29 May 2026 : Case report
Orbital Fungating Mass as a Rare Manifestation of Retinoblastoma: A Case Study in Palliative Care
Anne Susanty
, Kanyawati Maliani, Angga Kartiwa
, Dudi Cahyadi, Pujani Utami, Yuni Kristina, Nindi Dwi Leoni, Dika Maulana Pemberiadi
DOI: 10.12659/AJCR.951652
Am J Case Rep 2026; 27:e951652
400 521 0

29 May 2026 : Case report
Orbital Fungating Mass as a Rare Manifestation of Retinoblastoma: A Case Study in Palliative Care
Anne Susanty
, Kanyawati Maliani, Angga Kartiwa
, Dudi Cahyadi, Pujani Utami, Yuni Kristina, Nindi Dwi Leoni, Dika Maulana Pemberiadi
DOI: 10.12659/AJCR.951652
Am J Case Rep 2026; 27:e951652
400 521 0

28 May 2026 : Case report
A 35-Year-Old Woman With Recurrent Hypertriglyceridemia-Induced Pancreatitis in Pregnancy Managed With Fenofibrate and Plasmapheresis
Jing Wang, Zhongkai Lu, Chunxiao Zhou
DOI: 10.12659/AJCR.951762
Am J Case Rep 2026; 27:e951762
428 609 0

28 May 2026 : Case report
A 35-Year-Old Woman With Recurrent Hypertriglyceridemia-Induced Pancreatitis in Pregnancy Managed With Fenofibrate and Plasmapheresis
Jing Wang, Zhongkai Lu, Chunxiao Zhou
DOI: 10.12659/AJCR.951762
Am J Case Rep 2026; 27:e951762
428 609 0

27 May 2026 : Case report
Successful Multidisciplinary Management of Esophageal Perforation Complicated by Septic Shock: A Race Against Time
Khaled Sewify
, Abdulrahman Saeed Alshamrani, Nawaf Zakary, Mohamed Regal, Amira Elhassan, Abdelaziz Alsaher, Wael Gomaa, Eslam Elsayed Abdelshafey
DOI: 10.12659/AJCR.952553
Am J Case Rep 2026; 27:e952553
379 499 0

27 May 2026 : Case report
Successful Multidisciplinary Management of Esophageal Perforation Complicated by Septic Shock: A Race Against Time
Khaled Sewify
, Abdulrahman Saeed Alshamrani, Nawaf Zakary, Mohamed Regal, Amira Elhassan, Abdelaziz Alsaher, Wael Gomaa, Eslam Elsayed Abdelshafey
DOI: 10.12659/AJCR.952553
Am J Case Rep 2026; 27:e952553
379 499 0

25 May 2026 : Case report
Bilateral Congenital Chylothorax With Neonatal Ventilator-Associated Pneumonia and Sepsis: Diagnostic and Therapeutic Challenges: A Case Report
Leon B. Hajdari, Melihate Çekaj, Bese R. Morina, Vlere R. Morina
DOI: 10.12659/AJCR.952519
Am J Case Rep 2026; 27:e952519
367 575 0

25 May 2026 : Case report
Bilateral Congenital Chylothorax With Neonatal Ventilator-Associated Pneumonia and Sepsis: Diagnostic and Therapeutic Challenges: A Case Report
Leon B. Hajdari, Melihate Çekaj, Bese R. Morina, Vlere R. Morina
DOI: 10.12659/AJCR.952519
Am J Case Rep 2026; 27:e952519
367 575 0
In Press
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.952492
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.953286
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.953247
Case report
Am J Case Rep In Press; DOI: 10.12659/AJCR.952997
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