OOIR: Observatory of International Research

Papers

(The H4-Index of Histopathology 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 2021-05-01 to 2025-05-01.)

Article	Citations
Tertiary lymphoid structures in breast ductal carcinoma in situ correlate with adverse pathological parameters	98
Dedifferentiated endometrial carcinoma, an aggressive neoplasm	94
Pagetoid reticulosis manifests as localized ulcerative plaque on leg in old woman	86
An unusual case of intraplacental leiomyoma and case series of leiomyomata in pregnancy	66
Clinical boundaries in adult cases of large B cell lymphoma with IRF4 rearrangement	66
Sporadic superficial angiomyxomas demonstrate loss of PRKAR1A expression	64
High mesothelin expression by immunohistochemistry predicts improved survival in pleural mesothelioma	45
Lung Pathology	43
Morphological progression of biphenotypic sinonasal sarcoma to high‐grade sarcoma at 7 years from onset	42
Breast Pathology	40
ROS1 pattern of immunostaining in 11 cases of spitzoid tumour: comparison with histopathological, fluorescence in‐situ hybridisation and next‐generation sequencing analysis	37
Genetic alterations affecting the C‐terminus of cyclin D1 are recurrent events in mantle cell lymphoma	36
Cover Image	35
Melanocytic lesions with blue naevus‐like (dendritic) morphology: an update with an emphasis on histopathological, immunophenotypic, and molecular features	32
Annual Review Issue: Breast Pathology	32
Clinicopathologic features and outcomes of hepatic inflammatory pseudotumour (IPT) and hepatic IPT‐like lesions	31
CD30 expression is frequently decreased in relapsed classic Hodgkin lymphoma after anti‐CD30 CAR T‐cell therapy	31
Follicular lymphoma research: an open dialogue for a collaborative roadmap	31
Can thyroid histomorphology identify patients with PTEN hamartoma tumour syndrome?	30
Prostatic malakoplakia: clinicopathological assessment of a multi‐institutional series of 49 patients	30
Cystic lesions of the retrorectal space	30
Challenges of a tailored immunohistochemistry algorithm for uterine leiomyosarcoma: an integrated analysis of leiomyomas with bizarre nuclei and fumarate hydratase (FH) deficiency	29
Novel THBS1::IGF1R fusion in myopericytic tumour	28
	28
Automated identification of glomeruli and synchronised review of special stains in renal biopsies by machine learning and slide registration: a cross‐institutional study	27

Gastric‐type glandular lesions of the female genital tract excluding the cervix: emerging pathological entities	26
Spectra of well‐differentiated neuroendocrine lesions in the extrahepatic biliary system: a case series	26