OOIR: Observatory of International Research

Papers

(The H4-Index of Virchows Archiv is 30. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Clinical, histopathological, and immunohistochemical spectrum of hepatolithiasis: a tertiary care center-based study from north India	102
Clinicopathological characteristics and prognostic significance of HER2 status evaluation in patients with urothelial carcinoma: a retrospective single-center experience in China	88
Trichogerminoma with malignant transformation	86
Primary mismatch repair–deficient prostate cancer can be identified prospectively in prostate biopsies and radical prostatectomies	63
Non-small cell lung carcinoma with clear cell features: a clinicopathologic, immunohistochemical, and molecular study of 31 cases	56
Exploratory evidence maps for the WHO Classification of Tumours 5th edition for lung and thymus tumors	55
Gene expression profiling using targeted RNA-sequencing to elucidate the progression from histologically normal lung tissues to non-invasive lesions in invasive lung adenocarcinoma	54
Seed storage cell granuloma: a nostalgic look back on pseudotuberculosis	54
Mature and immature ovarian teratomas share methylation profiles of imprinted genes: a MS-MLPA analysis	53
On delusional personalities in pathology	48
Crypt abscesses, crypt distortion, and crypt rupture may help distinguish inflammatory bowel disease from segmental colitis associated with diverticulosis	45
Development of head and neck pathology in Europe	45
Neovascular prostate specific membrane antigen (PSMA) expression in bone and soft tissue sarcoma: a systematic analysis	42
Claudin-18 expression in small bowel adenocarcinoma: a clinico-pathologic study	41
Application of the Milan system for reporting salivary gland cytopathology using cell blocks	40
SS18::POU5F1-fused sarcoma of the parotid with divergent ganglioneuromatous differentiation—a novel manifestation of a rare tumor	39
YAP1::TFE3 fusion in a case of malignant TFE3-rearranged PEComa of the lung: expanding the spectrum of pulmonary PEComa-like mesenchymal neoplasms	38
Zonated quantification of immunohistochemistry in normal and steatotic livers	38
Poorly differentiated thyroid carcinomas: conceptual controversy and clinical impact	37
Cutting-edge technology and automation in the pathology laboratory	36
Organ manifestations of COVID-19: what have we learned so far (not only) from autopsies?	35
Corded and hyalinized endometrioid endometrial carcinoma with high-grade features: a clinicopathological and TCGA-based molecular analysis	35
Polarised light scanner for digital pathology	34
Publisher Correction to: Distinct patterns of biomarker expression for atypical intraductal proliferations in prostate cancer	34
SMARCB1-deficient sinonasal adenocarcinoma: a rare variant of SWI/SNF-deficient malignancy often misclassified as high-grade non-intestinal-type sinonasal adenocarcinoma or myoepithelial carcinoma	32

Well-differentiated neuroendocrine tumor of the urinary bladder expressing GATA 3	32
Necrosis in lymph nodes and their differential diagnoses: application of reticulin staining	31
Clinicopathological analysis of thyroid carcinomas with the RET and NTRK fusion genes: characterization for genetic analysis	30
Correction to: Programmed death-ligand 1 and tumor-infiltrating lymphocytes (TILs) – low TIL density may predict poorer long-term prognosis in T1 laryngeal cancer	30
Cause of death and the autopsy rate in an elderly population	30