Pub Date : 2025-04-28DOI: 10.1016/j.mpdhp.2025.04.008
Anastasiya Kret, Ali Al-Omari, Bart Wagner
A female in her 30s presented with worsening lower limb swelling. Her past medical history included primary hypothyroidism, learning difficulties and an atrial septal defect. She was found to have a nephrotic syndrome and was referred to Nephrology with worsening oedema and proteinuria. The initial blood workup showed a mildly elevated serum C3 level and a polyclonal increase in serum IgM level. Renal biopsy was performed which on H&E demonstrated glomeruli with mild mesangial hypercellularity and prominent capillary walls. Electron microscopy showed severe podocyte foot processes effacement and unusual podocyte inclusions which were protruding into the glomerular basement membrane. She was diagnosed with minimal change disease. The exact nature of these peculiar podocyte inclusions remained unknown until the entity of podocyte infolding glomerulopathy (PIG) was published in the English language literature in 2008. In retrospect, we believe the changes observed in our case were due to PIG.
{"title":"Podocyte infolding glomerulopathy: a rare entity","authors":"Anastasiya Kret, Ali Al-Omari, Bart Wagner","doi":"10.1016/j.mpdhp.2025.04.008","DOIUrl":"10.1016/j.mpdhp.2025.04.008","url":null,"abstract":"<div><div>A female in her 30s presented with worsening lower limb swelling. Her past medical history included primary hypothyroidism, learning difficulties and an atrial septal defect. She was found to have a nephrotic syndrome and was referred to Nephrology with worsening oedema and proteinuria. The initial blood workup showed a mildly elevated serum C3 level and a polyclonal increase in serum IgM level. Renal biopsy was performed which on H&E demonstrated glomeruli with mild mesangial hypercellularity and prominent capillary walls. Electron microscopy showed severe podocyte foot processes effacement and unusual podocyte inclusions which were protruding into the glomerular basement membrane. She was diagnosed with minimal change disease. The exact nature of these peculiar podocyte inclusions remained unknown until the entity of podocyte infolding glomerulopathy (PIG) was published in the English language literature in 2008. In retrospect, we believe the changes observed in our case were due to PIG.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 7","pages":"Pages 444-446"},"PeriodicalIF":0.0,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144489645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-26DOI: 10.1016/j.mpdhp.2025.04.003
Gabriel Wasinger, Maximilian C Koeller, Eva Compérat
Artificial intelligence (AI) is driving a revolution in pathology, transforming traditional workflows and addressing critical challenges in the field. This review highlights the integration of AI into immunohistochemistry (IHC) and molecular pathology (MP), where its potential to enhance diagnostic accuracy, efficiency, and reproducibility is becoming increasingly evident. In IHC, AI tools offer solutions to limitations such as subjective biomarker scoring, interobserver variability, and growing workloads by enabling automated and consistent analysis of diagnostic and predictive markers. Similarly, in MP, AI addresses challenges in tumor annotation, genetic mutation interpretation and prediction, and integration of multidimensional data to streamline workflows and enhance precision medicine. By combining computational power with pathologists' expertise, AI holds the promise of reshaping pathology into a more efficient, reliable, and scalable discipline. However, continued efforts in validation, transparency, and cost optimization will be crucial to fully realize AI's transformative potential in clinical pathology.
{"title":"Pathology in the artificial intelligence era: practical insights for immunohistochemistry and molecular pathology","authors":"Gabriel Wasinger, Maximilian C Koeller, Eva Compérat","doi":"10.1016/j.mpdhp.2025.04.003","DOIUrl":"10.1016/j.mpdhp.2025.04.003","url":null,"abstract":"<div><div>Artificial intelligence (AI) is driving a revolution in pathology, transforming traditional workflows and addressing critical challenges in the field. This review highlights the integration of AI into immunohistochemistry (IHC) and molecular pathology (MP), where its potential to enhance diagnostic accuracy, efficiency, and reproducibility is becoming increasingly evident. In IHC, AI tools offer solutions to limitations such as subjective biomarker scoring, interobserver variability, and growing workloads by enabling automated and consistent analysis of diagnostic and predictive markers. Similarly, in MP, AI addresses challenges in tumor annotation, genetic mutation interpretation and prediction, and integration of multidimensional data to streamline workflows and enhance precision medicine. By combining computational power with pathologists' expertise, AI holds the promise of reshaping pathology into a more efficient, reliable, and scalable discipline. However, continued efforts in validation, transparency, and cost optimization will be crucial to fully realize AI's transformative potential in clinical pathology.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 7","pages":"Pages 416-423"},"PeriodicalIF":0.0,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144489540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-25DOI: 10.1016/j.mpdhp.2025.04.006
Caroline Cartlidge, Selina Bhattarai
We present a case of a teenage boy with haematuria who underwent a trans urethral removal of bladder tumour (TURBT) for multiple solid bladder lesions with sandy patches. Investigations led to a diagnosis of schistosomiasis. The clinical, radiological, macroscopic, and microscopic histological findings are highlighted. We discuss the complex parasitic life cycle of Schistosoma and the well evidenced link between schistosomiasis and bladder cancer, specifically high-grade squamous cell carcinoma.
{"title":"Schistosomiasis: extensive urinary bladder infiltration in an unusual case of suspected cancer","authors":"Caroline Cartlidge, Selina Bhattarai","doi":"10.1016/j.mpdhp.2025.04.006","DOIUrl":"10.1016/j.mpdhp.2025.04.006","url":null,"abstract":"<div><div>We present a case of a teenage boy with haematuria who underwent a trans urethral removal of bladder tumour (TURBT) for multiple solid bladder lesions with sandy patches. Investigations led to a diagnosis of schistosomiasis. The clinical, radiological, macroscopic, and microscopic histological findings are highlighted. We discuss the complex parasitic life cycle of Schistosoma and the well evidenced link between schistosomiasis and bladder cancer, specifically high-grade squamous cell carcinoma.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 7","pages":"Pages 438-440"},"PeriodicalIF":0.0,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144489543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-23DOI: 10.1016/j.mpdhp.2025.03.010
Nemencio Ronquillo, Monica T Garcia-Buitrago
The histological evaluation of liver biopsies is a crucial component in the diagnosis and management of a wide range of liver diseases. This process, often complex and detailed, requires a systematic, stepwise approach. Initially, pathologists must identify the overall injury pattern at low magnification, providing a foundation for further investigation. Once the injury pattern is recognized, it is essential to carefully examine the biopsy for distinctive microscopic features that may provide additional diagnostic clues. Many hepatic injury patterns are linked to well-established differential diagnoses, which help guide the diagnostic process. The assessment of a liver biopsy extends beyond simply identifying injury patterns. It requires a thoughtful integration of pathological findings, differential diagnoses, the patient's clinical presentation, as well as relevant laboratory tests and imaging studies. This comprehensive approach is essential, as it offers invaluable insights into the underlying etiology of the liver disease. In this review, we will focus on the most commonly encountered hepatic injury patterns. By enhancing the diagnostic accuracy and ensuring a thorough interpretation of liver biopsies, pathologists can significantly contribute to the effective management and treatment of liver disorders.
{"title":"Decoding liver biopsies: a pattern-based approach","authors":"Nemencio Ronquillo, Monica T Garcia-Buitrago","doi":"10.1016/j.mpdhp.2025.03.010","DOIUrl":"10.1016/j.mpdhp.2025.03.010","url":null,"abstract":"<div><div>The histological evaluation of liver biopsies is a crucial component in the diagnosis and management of a wide range of liver diseases. This process, often complex and detailed, requires a systematic, stepwise approach. Initially, pathologists must identify the overall injury pattern at low magnification, providing a foundation for further investigation. Once the injury pattern is recognized, it is essential to carefully examine the biopsy for distinctive microscopic features that may provide additional diagnostic clues. Many hepatic injury patterns are linked to well-established differential diagnoses, which help guide the diagnostic process. The assessment of a liver biopsy extends beyond simply identifying injury patterns. It requires a thoughtful integration of pathological findings, differential diagnoses, the patient's clinical presentation, as well as relevant laboratory tests and imaging studies. This comprehensive approach is essential, as it offers invaluable insights into the underlying etiology of the liver disease. In this review, we will focus on the most commonly encountered hepatic injury patterns. By enhancing the diagnostic accuracy and ensuring a thorough interpretation of liver biopsies, pathologists can significantly contribute to the effective management and treatment of liver disorders.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 6","pages":"Pages 325-339"},"PeriodicalIF":0.0,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-21DOI: 10.1016/j.mpdhp.2025.03.009
Ashwin S Akki, Daniela S Allende
The gallbladder may be affected by a number of pathologic processes resulting in varied clinical presentations. While inflammatory conditions of the gallbladder especially acute and chronic cholecystitis are more common, advanced neoplasms can be aggressive with an abysmal five-year survival. Accurate and timely diagnoses of these pathologies promote effective clinical management. This review summaries the key disease processes affecting the gallbladder and recent updates in the understanding of these entities.
{"title":"Gallbladder pathology: unveiling the latest breakthroughs","authors":"Ashwin S Akki, Daniela S Allende","doi":"10.1016/j.mpdhp.2025.03.009","DOIUrl":"10.1016/j.mpdhp.2025.03.009","url":null,"abstract":"<div><div>The gallbladder may be affected by a number of pathologic processes resulting in varied clinical presentations. While inflammatory conditions of the gallbladder especially acute and chronic cholecystitis are more common, advanced neoplasms can be aggressive with an abysmal five-year survival. Accurate and timely diagnoses of these pathologies promote effective clinical management. This review summaries the key disease processes affecting the gallbladder and recent updates in the understanding of these entities.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 6","pages":"Pages 311-324"},"PeriodicalIF":0.0,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144137672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-11DOI: 10.1016/j.mpdhp.2025.03.011
Ashley Lauren Hein, Erika Hissong
Gastrointestinal tract tumors represent a major cause of morbidity and mortality world-wide. With recent technological advancements, the emergence of new biomarkers that offer diagnostic or prognostic information, monitor disease burden, and guide therapy has drastically enhanced our ability to provide effective and timely personalized medicine. Herein, we discuss the array of biomarkers which are currently recommended for clinical use in tumors of the luminal gastrointestinal tract and discuss several recently discovered biomarkers that have shown promising results.
{"title":"Advancements and challenges in biomarker testing for tumors of the luminal gastrointestinal tract: current practice guidelines and emerging markers","authors":"Ashley Lauren Hein, Erika Hissong","doi":"10.1016/j.mpdhp.2025.03.011","DOIUrl":"10.1016/j.mpdhp.2025.03.011","url":null,"abstract":"<div><div>Gastrointestinal tract tumors represent a major cause of morbidity and mortality world-wide. With recent technological advancements, the emergence of new biomarkers that offer diagnostic or prognostic information, monitor disease burden, and guide therapy has drastically enhanced our ability to provide effective and timely personalized medicine. Herein, we discuss the array of biomarkers which are currently recommended for clinical use in tumors of the luminal gastrointestinal tract and discuss several recently discovered biomarkers that have shown promising results.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 6","pages":"Pages 340-351"},"PeriodicalIF":0.0,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-09DOI: 10.1016/j.mpdhp.2025.03.013
Domenika Ortiz Requena, Elizabeth A Montgomery
Although rare in everyday practice, the gastrointestinal tract is the most common visceral site of mesenchymal neoplasms. The clinical presentation, layer involved and some histological features of these neoplasms in the gastrointestinal system can overlap among each other and can generate challenging diagnostic problems for surgical pathologists. Additionally, misdiagnoses on initial biopsy can result in misguided patient management and preoperative treatment. Herein, we offer a review of the morphologic and immunophenotypic features of selected mesenchymal neoplasms arising from the submucosa, muscularis propria, and mesentery with emphasis on the inherent diagnostic pitfalls and differential diagnoses of these entities to aid surgical pathologists in their accurate recognition which is imperative for patient clinical management, syndromic associations, and treatment.
{"title":"Beyond the mucosa: unveiling selected mesenchymal lesions of the gastrointestinal tract","authors":"Domenika Ortiz Requena, Elizabeth A Montgomery","doi":"10.1016/j.mpdhp.2025.03.013","DOIUrl":"10.1016/j.mpdhp.2025.03.013","url":null,"abstract":"<div><div>Although rare in everyday practice, the gastrointestinal tract is the most common visceral site of mesenchymal neoplasms. The clinical presentation, layer involved and some histological features of these neoplasms in the gastrointestinal system can overlap among each other and can generate challenging diagnostic problems for surgical pathologists. Additionally, misdiagnoses on initial biopsy can result in misguided patient management and preoperative treatment. Herein, we offer a review of the morphologic and immunophenotypic features of selected mesenchymal neoplasms arising from the submucosa, muscularis propria, and mesentery with emphasis on the inherent diagnostic pitfalls and differential diagnoses of these entities to aid surgical pathologists in their accurate recognition which is imperative for patient clinical management, syndromic associations, and treatment.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 6","pages":"Pages 369-381"},"PeriodicalIF":0.0,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-07DOI: 10.1016/j.mpdhp.2025.03.016
Daniel T Field, Christopher OC Bellamy, Timothy J Kendall
Two cases of steatohepatitis-associated cirrhosis containing high grade dysplastic nodules are discussed, one with hepatocellular carcinoma arising within. The spectrum of dysplastic hepatocellular lesions is explored in addition to the possible diagnostic pitfalls and strategies that may be deployed by the pathologist, particularly when differentiating malignancy from non-malignant lesions.
{"title":"Dysplastic lesions of the liver: two cases demonstrating the key pathological principles","authors":"Daniel T Field, Christopher OC Bellamy, Timothy J Kendall","doi":"10.1016/j.mpdhp.2025.03.016","DOIUrl":"10.1016/j.mpdhp.2025.03.016","url":null,"abstract":"<div><div>Two cases of steatohepatitis-associated cirrhosis containing high grade dysplastic nodules are discussed, one with hepatocellular carcinoma arising within. The spectrum of dysplastic hepatocellular lesions is explored in addition to the possible diagnostic pitfalls and strategies that may be deployed by the pathologist, particularly when differentiating malignancy from non-malignant lesions.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 6","pages":"Pages 401-404"},"PeriodicalIF":0.0,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144137673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-04DOI: 10.1016/j.mpdhp.2025.03.014
Ozlem Kulak, Jacqueline E Birkness-Gartman
Although the anal canal comprises only a small portion of the gastrointestinal tract, it can be affected by a variety of inflammatory and neoplastic processes. Inflammation of the anal mucosa can result from trauma, infections, and inflammatory bowel disease. Non-neoplastic lesions such as inflammatory cloacogenic polyps, hemorrhoids, and fibroepithelial polyps are relatively common, but may harbor other lesions, necessitating careful histologic assessment. The anogenital mammary-like glands and perianal skin can give rise to neoplasms including hidradenoma papilliferum and basal cell carcinoma. Human papillomavirus (HPV) is an important cause of squamous dysplasia and squamous cell carcinoma, as well as several recently described non-squamous neoplasms. Adenocarcinoma of the anus is divided into intestinal, anal gland, and fistula-associated types, which have unique morphologic features. Anal Paget's disease can occur as a primary neoplasm, or may be secondary to underlying adenocarcinoma. Less common neoplasms of the anus include neuroendocrine neoplasms, mucosal melanoma, and mesenchymal neoplasms such as granular cell tumor and gastrointestinal stromal tumor (GIST). This review will cover the clinical presentation, key histologic features, differential diagnosis, and relevant ancillary studies to consider for each condition. Recognition of inflammatory and neoplastic diseases of the anus is essential to guide appropriate treatment of patients.
{"title":"Novel anal lesions not to overlook","authors":"Ozlem Kulak, Jacqueline E Birkness-Gartman","doi":"10.1016/j.mpdhp.2025.03.014","DOIUrl":"10.1016/j.mpdhp.2025.03.014","url":null,"abstract":"<div><div>Although the anal canal comprises only a small portion of the gastrointestinal tract, it can be affected by a variety of inflammatory and neoplastic processes. Inflammation of the anal mucosa can result from trauma, infections, and inflammatory bowel disease. Non-neoplastic lesions such as inflammatory cloacogenic polyps, hemorrhoids, and fibroepithelial polyps are relatively common, but may harbor other lesions, necessitating careful histologic assessment. The anogenital mammary-like glands and perianal skin can give rise to neoplasms including hidradenoma papilliferum and basal cell carcinoma. Human papillomavirus (HPV) is an important cause of squamous dysplasia and squamous cell carcinoma, as well as several recently described non-squamous neoplasms. Adenocarcinoma of the anus is divided into intestinal, anal gland, and fistula-associated types, which have unique morphologic features. Anal Paget's disease can occur as a primary neoplasm, or may be secondary to underlying adenocarcinoma. Less common neoplasms of the anus include neuroendocrine neoplasms, mucosal melanoma, and mesenchymal neoplasms such as granular cell tumor and gastrointestinal stromal tumor (GIST). This review will cover the clinical presentation, key histologic features, differential diagnosis, and relevant ancillary studies to consider for each condition. Recognition of inflammatory and neoplastic diseases of the anus is essential to guide appropriate treatment of patients.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 6","pages":"Pages 382-397"},"PeriodicalIF":0.0,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-01DOI: 10.1016/j.mpdhp.2025.02.002
Marguerite Carter, Adrienne M Flanagan
The classification of mesenchymal neoplasms is rapidly expanding, with a marked increase in entities defined not only by traditional morphological parameters, but according to the underlying molecular genetic alterations driving tumorigenesis. We aim to provide an overview of a selection of recently described and emerging entities relevant to the head and neck pathologist, with an emphasis on the morphological and immunohistochemical findings that can prompt consideration of referral for molecular testing. In this review we provide an overview of: 1) TIMP3::ALK rearranged tumour, 2) spindle cell/sclerosing rhabdomyosarcoma with emphasis on tumours harbouring rearrangements of TFCP2, 3) EWSR1::POU2AF3 sarcoma, 4) sarcomas with EWSR1::PATZ1 fusions and 5) GLI1-altered soft tissue tumour.
{"title":"Spindle cell mesenchymal tumours of the head and neck: emerging and recently described entities characterised by molecular findings","authors":"Marguerite Carter, Adrienne M Flanagan","doi":"10.1016/j.mpdhp.2025.02.002","DOIUrl":"10.1016/j.mpdhp.2025.02.002","url":null,"abstract":"<div><div>The classification of mesenchymal neoplasms is rapidly expanding, with a marked increase in entities defined not only by traditional morphological parameters, but according to the underlying molecular genetic alterations driving tumorigenesis. We aim to provide an overview of a selection of recently described and emerging entities relevant to the head and neck pathologist, with an emphasis on the morphological and immunohistochemical findings that can prompt consideration of referral for molecular testing. In this review we provide an overview of: 1) <em>TIMP3::ALK</em> rearranged tumour, 2) spindle cell/sclerosing rhabdomyosarcoma with emphasis on tumours harbouring rearrangements of <em>TFCP2</em>, 3) <em>EWSR1::POU2AF3</em> sarcoma, 4) sarcomas with <em>EWSR1::PATZ1</em> fusions and 5) <em>GLI1</em>-altered soft tissue tumour.</div></div>","PeriodicalId":39961,"journal":{"name":"Diagnostic Histopathology","volume":"31 4","pages":"Pages 204-209"},"PeriodicalIF":0.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143791176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}