OOIR: Observatory of International Research

Papers

(The H4-Index of Virchows Archiv is 26. 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 2021-02-01 to 2025-02-01.)

Article	Citations
In this issue	112
Heterogeneity of molecular subtyping and therapy-related marker expression in primary tumors and paired lymph node metastases of small cell lung cancer	104
Subclassifying triple-negative breast cancers and its potential clinical utility	63
In this issue	58
Perivascular infiltration reflects subclinical lymph node metastasis in invasive lobular carcinoma	54
Insulitis in the pancreas of non-diabetic organ donors under age 25 years with multiple circulating autoantibodies against islet cell antigens	46
Expert opinion on NSCLC small specimen biomarker testing — Part 1: Tissue collection and management	45
Plasma cell neoplasms and related entities—evolution in diagnosis and classification	42
Organ manifestations of COVID-19: what have we learned so far (not only) from autopsies?	41
Diagnostic and prognostic molecular pathology of lymphoid malignancies	40
The cytokeratin 17 expression in primary ovarian tumors has diagnostic but not prognostic significance	38
In this issue	36
Comprehensive genomic profiling and prognostic analysis of cervical gastric-type mucinous adenocarcinoma	36
Well-differentiated neuroendocrine tumor of the urinary bladder expressing GATA 3	35
Granulation tissue-like spindle cell (sarcomatoid) carcinoma of the head and neck: a deceptively bland-looking underdiagnosed malignancy	33
Perinatal arterial ischemic stroke: how informative is the placenta?	32
Primary mismatch repair–deficient prostate cancer can be identified prospectively in prostate biopsies and radical prostatectomies	32
Poorly differentiated thyroid carcinomas: conceptual controversy and clinical impact	31
Acellular mucin in lymph nodes isolated from treatment-naïve colorectal cancer resections: a clinicopathologic analysis of 16 cases	30
Fibroblastic/cytokeratin-positive interstitial reticular cell tumor of the spleen with indolent behavior: a case report with review of the literature	30
Mature and immature ovarian teratomas share methylation profiles of imprinted genes: a MS-MLPA analysis	30
Pyk2 level is a novel prognostic marker for patients with esophageal squamous cell carcinoma after radical surgery	30
Towards a national strategy for digital pathology in Switzerland	29
Frequent nuclear β-catenin expression in pulmonary enteric-type adenocarcinoma according to the current World Health Organization criteria	29
SIUrO best practice recommendations to optimize BRCA 1/2 gene testing from DNA extracted from bone biopsy in mCRPC patients (BRCA Optimal Bone Biopsy Procedure: BOP)	29

In this issue