OOIR: Observatory of International Research

Papers

(The TQCC of Pathology International is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
A case of lung carcinoma with a unique biphasic feature: Implications for histogenesis of “fake mucoepidermoid carcinoma” developing in the peripheral lung	55
Abstracts of A Presentation by the winners of The Japanese Society of Pathology, Pathology Research Award in 2024 (in program order)	45
Is the endomyocardial biopsy in giant cell myocarditis of some help for the rapid indication for heart transplantation?	25
Colostomy‐site carcinoma with primitive phenotype in a rectal cancer patient after achieving pathological complete response with neoadjuvant chemoradiotherapy	19
Primary Pulmonary Epithelial–Myoepithelial Carcinoma With Prominent Reactive Pneumocytes: Clinicopathological Insights Into a Rare Case and Literature Review	17
An autopsy case report of amyotrophic lateral sclerosis with unusual basophilic inclusions exhibiting immunopositivity for optineurin	16
Tumor‐suppressive miR‐323a inhibits pancreatic cancer cell proliferation and glycolysis through targeting HK‐2	14
Issue Information	13
Issue Information	13
Expression of Heart Development Protein With EGF‐Like Domains 1 (HEG1) Decorated With Low‐Sulfated Keratan Sulfate in Human Malignant Pleural Mesothelioma	11
Papillary thyroid carcinoma with aggressive fused follicular and solid growth pattern: A unique histological subtype with high‐grade malignancy?	11
Autopsy Case of Severe Right Heart Failure Accompanied by Pulmonary Arterial Hypertension With Suspected Osler's Disease	11
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Nicotinamide N‐methyltransferase (NNMT): A potential biomarker for differential diagnosis of anaplastic large cell lymphoma (ALCL)	10
An autopsy case of hyperimmunoglobulin E syndrome with coronary fibrinoid necrotizing arteritis and an aneurysm	10
Prominent CD8‐positive lymphocyte‐associated insulitis immediately after onset of childbirth‐related fulminant type 1 diabetes mellitus observed at autopsy	10
The association between histopathological growth patterns with tumor budding and poorly differentiated clusters in colorectal liver metastasis treated with preoperative systemic therapy	10
Non‐calcifying Langerhans cell‐rich myxoid squamous odontogenic neoplasm without amyloid: A seemingly amyloid‐negative calcifying epithelial odontogenic tumor	10
Issue Information	9
Co‐occurrence of Epstein–Barr virus‐positive nodal T/NK‐cell lymphoma and nodal T‐follicular helper cell lymphoma of different clonal origins: An autopsy case report	9
A Proposal for a Modified Evaluation System of Tumor‐Infiltrating Lymphocytes Using HE‐Stained Sections in Breast Cancer	9
The Landscape of Cancer Metabolism as a Therapeutic Target	9
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The specific shapes of capillaries are associated with worse prognosis in patients with invasive breast cancer	8
A Case of Primary Cutaneous T‐Follicular Helper Cell Lymphoma, Follicular‐Type	8

Early onset Congo red‐positive fibrillary glomerulonephritis associated with glomerular DNAJB9 deposits mimicking renal amyloidosis	8
An autopsy case report of adult‐onset Krabbe disease: Comparison with an infantile‐onset case	8
Therapeutic Strategies Targeting CD163 and CD169 in Macrophages for Cancer	8
Vimentin‐positive invasive breast carcinoma of no special type: A breast carcinoma with lethal biological characteristics	7
Salt‐like transcription factor 4 promotes laryngeal cancer progression through transcriptional activation of ubiquitin‐specific protease 21 to stabilize Yin Yang 1	7
Immunoreactivities of ZCCHC3 and Efp in the High‐Grade Serous and Clear Cell Ovarian Carcinomas Are Worse Prognostic Factors	7
Primary osteosarcoma of the small intestine	7
A case of diffuse goblet cell adenocarcinoma of the appendix showing carcinoid‐like expansion	7
Enterocolic granulomatous phlebitis associated with epidermal growth factor‐containing fibulin‐like extracellular matrix protein 1 deposition and focal amyloid properties: A case report	7
Identification of uromodulin deposition in the stroma of perinephric fibromyxoid nephrogenic adenoma by mass spectrometry	7
Significance of biopsy in SARS‐CoV‐2 mRNA vaccine‐associated myocarditis: Paving the way toward precision vaccinology	7
Evaluation of NANOG/HDAC1 Expression in Predicting Outcomes of BCG Therapy in Non‐Muscle Invasive Bladder Cancer	6
Class IV semaphorins in disease pathogenesis	6
Issue Information	6
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Extranodal marginal zone lymphoma of mucosa‐associated lymphoid tissue of pleural origin	6
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Gastric juvenile polyposis syndrome with inflammatory changes in the intervening mucosa	6
Abstracts of Presentation by the Winners of the Japanese Society of Pathology; Japan Pathology Award in 2026 (in Program Order)	6
Sporadic gastric foveolar‐type adenoma with morular metaplasia	6
Adult T‐cell leukemia/lymphoma with angioimmunoblastic T‐cell lymphoma‐like feature and molecularly confirmed RHOA Gly 17 Val (G17V) mutation: A case report	6
Pancreatic Amphicrine Carcinoma With Acinar and Neuroendocrine Differentiation: A Comprehensive Case With Radiological, Cytopathological and Ultrastructural Findings, and Literature Review	6
A novel FET‐ETS family fusion (FUS::FLI1) in a case of Ewing sarcoma	6
Intra‐Tumoral Alveolar Remnants as a Prognostic Factor in Small Peripheral Lung Squamous Cell Carcinoma	5
Standardization of CD30 immunohistochemistry staining among three automated immunostaining platforms	5
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The role of Wnt, ARL4C, and Sema3A in developmental process and disease pathogenesis	5
Investigation of cancer‐induced myocardial damage in autopsy cases—A comparison of cases with and without chemotherapy	5
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Prognostically Significant Glycan Profiles of Clear Cell Renal Cell Carcinoma Identified by Integrated Glycome–Methylome Analysis	5
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CSF3R‐, ASXL1‐, and SETBP1‐mutated chronic neutrophilic leukemia with monoclonal gammopathy of undetermined significance in a patient who developed severe ascites due to sinusoida	4
Issue Information	4
Ewing and Ewing‐like sarcomas: A morphological guide through genetically‐defined entities	4
Uterine Mesenchymal Neoplasm With a Novel CDC42::PLAG1 Fusion	4
MYCBP2 Expression Correlates With Poor Prognosis in Upper Tract Urothelial Carcinoma Patients	4
Impact of the COVID‐19 pandemic on pathological autopsy practices in Japan	4
Issue Information	4
Ultrastructural and Immunohistochemical Study of a Gastric Bizarre Leiomyoma: Bizarre Nuclei and Prominent Cytoplasmic Processes Extending Into and Displacing the Stroma	4
Performance of PRAME immunohistochemistry compared with that of c‐Kit, c‐Myc, or cyclin D1 for the diagnosis of acral melanocytic tumors	4
Issue Information	4
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Widespread benign HNF1β‐positive solid nests from the urethral diverticulum to the bladder neck: Is it a mesonephric remnant?	3
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Acknowledgment	3
Recurrence of gastric adenocarcinoma of fundic‐gland mucosa type with black spots after endoscopic submucosal dissection and oral proton pump inhibitor discontinuation	3
High‐Grade Serous Carcinoma With Focal Mesonephric‐Like Morphology and Subclonal p53 Abnormal Expression: A Potential Diagnostic Pitfall	3
Histopathological study of the localization/distribution of Fusobacterium nucleatum in esophageal cancer	3
Regulatory T‐cells activated in metastatic draining lymph nodes possibly suppress cancer immunity in cancer tissues of head and neck squamous cell cancer	3

Combined use of immunoreactivities of Efp and ZCCHC3 for predicting prognosis of patients with triple‐negative breast cancer	3
Digital whole‐slide imaging of changes in amyloid after peripheral blood stem cell transplantation in patients with amyloid light‐chain amyloidosis	3
Issue Information	3
Primary mesenchymal chondrosarcoma of the lung	3
Abstracts of a Presentation by the Winners of The Japanese Society of Pathology; Pathology Research Award in 2025 (in Program Order)	3
Endometrial carcinosarcoma with melanocytic differentiation	3
Pediatric and Adolescent/Young Adult High‐Grade Gliomas With Adult‐Type Molecular Features	3
P4HA1, transcriptionally activated by STAT1, promotes esophageal cancer progression	3
Impact of human papillomavirus (HPV) association on the prognosis of pyriform sinus carcinoma: A retrospective cohort study	3
Mutational landscape of primary breast angiosarcoma with repeated resection and recurrence over a 15‐year period: A case report	3
Atypical choroid plexus papilloma arising in a mature ovarian teratoma, a case report	3
Constant small‐cell changes and variable LEF1 expression in DUSP22‐rearranged primary cutaneous anaplastic large‐cell lymphoma: Analysis of the repeated biopsies of three patients	3
Editorial comment to “Autopsy report of a sudden infant death that was strongly suspicious of Kawasaki disease”	3
Aberrant OCIAD2 demethylation in lung adenocarcinoma is associated with outcome	3
Primary cellular schwannoma of the kidney	3
Helicobacter felis ‐Associated Acute Gastric Mucosal Lesion: Ultrastructure by Low‐Vacuum Scanning Electron Microscopy	3
Laceration of umbilical cord artery by fetus nail—Rare but possible cause of sudden infantile death at birth	2
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Transfer Learning Strategies for Pathological Foundation Models: A Systematic Evaluation in Brain Tumor Classification	2
Underlying mechanisms of thrombus formation/growth in atherothrombosis and deep vein thrombosis	2
KIM‐1: From Prognostic Indicator to Therapeutic Stratification Tool in Adjuvant Renal Cell Carcinoma	2
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ALK‐ Rearranged Mesenchymal Neoplasm With Hyaline‐Vascular Castleman Disease‐Like Features: A Case Report	2
Two cases of bronchiolar adenoma with their diagnostic difficulties and important clues	2
Issue Information	2
Histopathological findings of pericarditis in a patient with multisystem inflammatory syndrome in children associated with COVID‐19: A case report	2
Keratin‐derived amyloid deposition associated with silicone granuloma in an older adult: Comprehensive analysis using immunohistochemistry, proteomics, and a literature review	2
An Autopsy Case of Pleural Mesothelioma Progressed Rapidly With Multiple Organ Metastases During Immune Checkpoint Inhibitor Therapy	2
Secondary Budd–Chiari syndrome caused by adult T‐cell leukemia/lymphoma	2
Cystic primary squamous cell carcinoma of the thyroid	2
Issue Information	2
Spatially and Clonally Multiple B‐/Plasma Cell Proliferations in T Follicular Helper Cell Lymphoma: A Case Report	2
Issue Information	2
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Soft tissue tumor with BRAF and NRAS mutations sharing features with NTRK‐rearranged spindle cell neoplasm: A case report expanding the spectrum of spindle cell tumor with kinase	2
SMARCB1‐deficient renal medullary carcinoma with an EML4::ALK fusion gene in a Japanese woman	2
Issue Information	2
Development of extrahepatic bile ducts and mechanisms of tumorigenesis: Lessons from mouse models	2
Rare finding of mucorales sporangia and chlamydospores in tissue	2
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Micro‐Computed Tomography Based Whole Block Imaging of Asthma‐Associated Airway Remodeling With Mycobacterium avium ‐Induced Cavity Formation: 3‐Dimensio	2
Myocarditis after COVID‐19 mRNA vaccination: Correspondence	2
Carcinogenesis caused by transcription‐coupled DNA damage through GANP and other components of the TREX‐2 complex	2
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Prevalence and diagnostic significance of non‐invasive follicular thyroid neoplasm with papillary‐like nuclear features in Japan—A multi‐institutional study	2
Issue Information	2
Breast cancer during pregnancy of Luminal A type overexpressed CXCL13	2
Kidney Injury Molecule‐1 Expression in Pathological T1b Clear Cell Renal Cell Carcinoma: A Putative Biomarker of High Immune‐Inflamed Status and Recurrence	2
Reactive Mesothelial Cells in the Lymphatic Network of the Serous Membrane in Prolonged Body Fluid Retention: An Autopsy Case Report	2
Brain biopsy and pathological diagnosis for drug‐associated progressive multifocal leukoencephalopathy (PML) with inflammatory reactions	2
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Epithelioid granulomas with proliferating T‐lymphocytes in bone marrow in a patient with infectious mononucleosis modified by secondary hemophagocytic lymphohistiocytosis	2
Nemaline bodies are not always congenital: A case of sporadic late‐onset nemaline myopathy (SLONM) with monoclonal gammopathy of undetermined significance (MGUS)	2
Pulmonary Carcinosarcoma Imitating Teratocarcinosarcoma: A Case Report	2