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 2021-04-01 to 2025-04-01.)

Article	Citations
An autopsy case report of amyotrophic lateral sclerosis with unusual basophilic inclusions exhibiting immunopositivity for optineurin	230
Histopathological study of the localization/distribution of Fusobacterium nucleatum in esophageal cancer	39
Issue Information	30
Issue Information	19
	18
	18
Issue Information	17
Issue Information	17
Issue Information	16
	15
Issue Information	13
	13
Composite ALK‐negative anaplastic large cell lymphoma and follicular lymphoma involving jejunum and mesenteric lymph nodes	12
Pulmonary infarction caused by sarcoidosis vascular involvement: A case report	12
Issue Information	12
The prognostic impact of a high number of peritumoral alveolar macrophages in neuroendocrine carcinoma in the lung	11
Primary cellular schwannoma of the kidney	11
Mixed epithelial and stromal tumor synchronously detected in bilateral kidneys with end‐stage renal failure	11
A case of lung carcinoma with a unique biphasic feature: Implications for histogenesis of “fake mucoepidermoid carcinoma” developing in the peripheral lung	11
Thymoliposarcoma with sebaceous differentiation and MDM2 amplification	10
Re: Editorial Comment on Intraoperative pathology consultation during urological surgery: Impact on final margin status and pitfalls of frozen section diagnosis	10
CD163‐positive cancer cells are a predictor of a worse clinical course in lung adenocarcinoma	10
A primary thymic adenocarcinoma with two components that traced distinct evolutionary trajectories	9
Intraoral basal cell carcinoma of the soft palate: A diagnostic pitfall	9
Crosstalk of tumor stromal cells orchestrates invasion and spreading of gastric cancer	9

Aberrant OCIAD2 demethylation in lung adenocarcinoma is associated with outcome	8
Clinical characteristics and outcomes of IgG4‐positive marginal zone lymphoma: Systematic scoping review	8
Chromosomal analysis of clonally related B‐cell lymphomas with discordant immunoglobulin light‐chain restrictions at different anatomical sites	8
A case of acute poststreptococcal glomerulonephritis complicated by interstitial nephritis related to streptococcal pyrogenic exotoxin B	8
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	8
In situ follicular neoplasia in a young post‐liver transplant patient	8
AID is a poor prognostic marker of high‐grade B‐cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements	8
Squamous differentiation in surgically resected malignant pleural mesothelioma with neoadjuvant chemotherapy	7
Histopathological findings of pericarditis in a patient with multisystem inflammatory syndrome in children associated with COVID‐19: A case report	7
Lost expression of AT‐rich interaction domain 1A in the gastric mucosa—A constituent of field cancerization in the stomach	7
Aberrant differentiation and proliferation of hepatocytes in chronic liver injury and liver tumors	7
Autopsy case of a stillbirth with transient abnormal myelopoiesis associated with Down syndrome: Immunohistochemical demonstration of GATA1 mutation in placental tissues	7
A difficult‐to‐diagnose anaplastic meningioma with spinal cord dissemination and cytokeratin positivity	7
Elderly‐onset systemic Epstein–Barr virus‐positive T‐cell lymphoma of childhood	7
Expression of astrocyte‐elevated gene‐1 indicates prognostic value of fluoropyrimidine‐based adjuvant chemotherapy in resectable stage III colorectal cancer	6
Pathogenic BRCA2 germline variants in combined hepatocellular‐cholangiocarcinoma	6
Tumor‐suppressive miR‐323a inhibits pancreatic cancer cell proliferation and glycolysis through targeting HK‐2	6
Endometrial carcinosarcoma with melanocytic differentiation	6
Intestinal‐type adenocarcinoma in the bilateral renal pelvis and right ureter synchronously arising in a patient with an ileal conduit	6
Solid serous neoplasm of the pancreas with locally aggressive behaviors	6
Myocardial ischemic injury derived from multiple thromboemboli due to eosinophilic endomyocarditis (Löffler endocarditis) causing right ventricular rupture	6
A case of mycosis fungoides with large cell transformation which shows germinal centers preference of lymph node	6
Solid endobronchial tumor with EWSR1‐FLI1 fusion gene – A diagnostically challenging case of the Ewing sarcoma	6
Correlation between the number of viable tumor cells and immune cells in the tumor microenvironment in non‐small cell lung cancer after induction therapy	6
The multilobated morphology is still a better prognosis factor of diffuse large B‐cell lymphoma in the R‐CHOP era	6
Development of extrahepatic bile ducts and mechanisms of tumorigenesis: Lessons from mouse models	6
Colostomy‐site carcinoma with primitive phenotype in a rectal cancer patient after achieving pathological complete response with neoadjuvant chemoradiotherapy	5
Carcinoma showing thymus‐like elements (CASTLE) with amyloid deposition in the parotid gland	5
Increased GS‐II lectin binding and SATB2 downregulation are biological features for sessile serrated lesions and microvesicular hyperplastic polyps	5
Is the endomyocardial biopsy in giant cell myocarditis of some help for the rapid indication for heart transplantation?	5
New insights into cancer pathology learned from the dynamics of cancer‐associated fibroblasts	5
Clinicopathological importance of Bcl‐2 and p53 in postmenopausal triple‐negative breast carcinoma and association with age	5
	4
Issue Information	4
Autopsy report of a sudden infant death that was strongly suspicious of Kawasaki disease	4
Molecular pathological demonstration of an unusual angiosarcoma‐like dedifferentiation pattern in hepatocellular carcinoma	4
Two cases of bronchiolar adenoma with their diagnostic difficulties and important clues	4
A case of an atypical teratoid/rhabdoid tumor with distinctive histology in the pineal region in an adult patient	4
Cutaneous adenomyoepithelioma with histopathological heterogeneity: A case report	4
	4
The first autopsy case of Epstein–Barr virus‐positive marginal zone lymphoma that deteriorated after COVID‐19 vaccination	4
Bilateral primary angiosarcoma of the breast after reduction mammoplasty: An extremely rare case and literature review	4
Abstracts of A Presentation by the winners of The Japanese Society of Pathology, Pathology Research Award in 2024 (in program order)	4
A rare case of parapharyngeal dedifferentiated liposarcoma in a 12‐year‐old boy	4
	4
Epithelioid granulomas with proliferating T‐lymphocytes in bone marrow in a patient with infectious mononucleosis modified by secondary hemophagocytic lymphohistiocytosis	4
Exosomal miR‐196a‐5p contributes to esophageal squamous cell carcinoma malignant progression by inhibiting ITM2B	4
An autopsy case of invasive intraductal papillary mucinous neoplasm (IPMN) of the pancreas showing vascular intimal carcinomatosis	4
Detection of Legionella species other than Legionella pneumophila in formalin‐fixed paraffin‐embedded tissue: An autopsy case study	4
Recurrence of gastric adenocarcinoma of fundic‐gland mucosa type with black spots after endoscopic submucosal dissection and oral proton pump inhibitor discontinuation	4

Characterization of colorectal cancer by hierarchical clustering analyses of five immune cell markers	3
Activating HRAS mutation in a case of inverted ductal papilloma of the salivary gland	3
Grayish‐white component emerging in a dark‐brownish nodule of solitary pulmonary capillary hemangioma after blood drainage and water immersion	3
Esophageal intraepithelial squamous cell neoplasia with epidermalization—A case with molecular analysis	3
Non‐sebaceous lymphadenoma‐like mucoepidermoid carcinoma: A case report	3
Papillary thyroid carcinoma with aggressive fused follicular and solid growth pattern: A unique histological subtype with high‐grade malignancy?	3
Association of intraductal carcinoma of the prostate detected by initial histological specimen and neuroendocrine prostate cancer: A report of three cases	3
The first lichen planus case coexisting bronchiolitis obliterans without malignant tumors	3
Two cases of mammary acinic cell carcinomas with microglandular structures mimicking microglandular adenosis	3
The first case of gastric leiomyosarcoma developed through malignant transformation of leiomyoma	3
Fluorescent nanoparticle‐mediated semiquantitative MYC protein expression analysis in morphologically diffuse large B‐cell lymphoma	3
Lymphoepithelial cyst of the parotid gland may be an alternative histogenetic pathway of Warthin tumor	3
	3
The role of nonlinear dimension reduction of genome‐wide DNA methylome in integrated diagnosis: A case study of glioblastoma, IDH‐wildtype	3
Issue Information	3
Blastic plasmacytoid dendritic cell neoplasm with prominent intracytoplasmic vacuoles: A challenging diagnosis	3
Nicotinamide N‐methyltransferase (NNMT): A potential biomarker for differential diagnosis of anaplastic large cell lymphoma (ALCL)	3
Mixed acinar‐neuroendocrine carcinoma with amphicrine features of the pancreas: Two rare cases with diffuse co‐expression of acinar and neuroendocrine markers	3
Clinical impact of perineural cancer invasion detected in prostate cores: Involvement of spatially contiguous versus separate biopsy sites	3
Mechanisms underlying retardation of aging by dietary energy restriction	3
Proposal for combined macroscopic and microscopic on‐site evaluation (cMOSES) of fresh tissue from liver tumor biopsies for histopathological diagnosis and comprehensive genomic panel testing	3
Issue Information	3
C4d deposition and CD39 downregulation in the placental infection by SARS‐CoV‐2	3
	2
Clinical significance of direct fast scarlet staining on the diagnosis of eosinophilic colitis: A comparative study focusing on the eosinophil degranulation in colonic mucosal tissue	2
Brain biopsy and pathological diagnosis for drug‐associated progressive multifocal leukoencephalopathy (PML) with inflammatory reactions	2
Clear cell hidradenoma of the breast with MAML2 gene rearrangement	2
The association between histopathological growth patterns with tumor budding and poorly differentiated clusters in colorectal liver metastasis treated with preoperative systemic therapy	2
	2
Pathological predictor of progressive pulmonary fibrosis	2
Pulmonary interstitial glycogenosis in Birt‐Hogg‐Dubé syndrome‐associated lung cysts: A new insight into the pathogenesis?	2
Clinicopathological significance of the overexpression of MUC1 in upper tract urothelial carcinoma and possible application as a diagnostic marker	2
Issue Information	2
A case of gastric‐phenotype, minute, tubular adenocarcinoma of the stomach with deep submucosal invasion	2
Prominent CD8‐positive lymphocyte‐associated insulitis immediately after onset of childbirth‐related fulminant type 1 diabetes mellitus observed at autopsy	2
Primary extraovarian granulosa cell tumor of the mesentery	2
	2
Issue Information	2
Expression of cancer testis antigens in thymic epithelial tumors	2
Issue Information	2
JMJD2A mediates transcriptional activation of SFRP4 and regulates oxidative stress and mitochondrial dysfunction in heart failure	2
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	2
Methods for preparing tissue microarray slides using xenografts with different levels of HER2 expression to standardize HER2 detection	2
Exploring experimental models of prostate cancer in chemoprevention: Oxidative stress as a key pathway to translational research	2
Distribution of proteinase K‐resistant anti‐α‐synuclein immunoreactive axons in the cardiac plexus is unbiased to the left ventricular anterior wall	2
Endometrial gastric‐type mucinous carcinoma: A clinicopathological study of an unfavorable histological type of endometrial carcinoma	2
Issue Information	2
Prognostic significance of p16, p21, and Ki67 expression at the invasive front of colorectal cancers	2
A case‐series of six autopsy cases of COVID‐19 including three cases of cytomegalovirus coinfection	2
Spectrum of paired‐like homeobox 2b immunoexpression in pediatric brain tumors with embryonal morphology	2
An autopsy case of hyperimmunoglobulin E syndrome with coronary fibrinoid necrotizing arteritis and an aneurysm	2
	2
A modifiable valve‐sparing pediatric cardiac dissection technique promotes specimen longevity and optimizes advanced image analysis postpathological examination	2
Investigation of the usefulness of a bile duct biopsy and bile cytology using a hyperspectral camera and machine learning	2
Non‐calcifying Langerhans cell‐rich myxoid squamous odontogenic neoplasm without amyloid: A seemingly amyloid‐negative calcifying epithelial odontogenic tumor	2
Mesothelial/monocytic incidental cardiac excrescence (MICE) masquerading as a mediastinal lymph node in a patient with suspected acute rheumatic heart disease	2
Acute aortic dissection associated with wild‐type transthyretin amyloid	2
Metabolic and epigenetic reprogramming in the pathogenesis of glioblastoma: Toward the establishment of “metabolism‐based pathology”	2
SLC13A5 plays an essential role in the energy shift to oxidative phosphorylation in cisplatin‐resistant mesothelioma stem cells	2
Underlying mechanisms of thrombus formation/growth in atherothrombosis and deep vein thrombosis	2
FHL1: A novel diagnostic marker for papillary thyroid carcinoma	2
Gastric succinate dehydrogenase‐deficient gastrointestinal stromal tumor presenting as a solitary cystic lesion	2
Hepatoid carcinoma and related entities of the extrahepatic bile duct: A clinicopathological study of four cases	2
Quantitative assessment of HER2 gene amplification of breast cancer using droplet digital PCR	2