OOIR: Observatory of International Research

Papers

(The H4-Index of Histopathology is 25. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Dedifferentiated endometrial carcinoma, an aggressive neoplasm	101
An unusual case of intraplacental leiomyoma and case series of leiomyomata in pregnancy	97
Pagetoid reticulosis manifests as localized ulcerative plaque on leg in old woman	97
Sporadic superficial angiomyxomas demonstrate loss of PRKAR1A expression	68
Lung Pathology	66
Breast Pathology	53
Follicular lymphoma research: an open dialogue for a collaborative roadmap	45
Clinicopathologic features and outcomes of hepatic inflammatory pseudotumour (IPT) and hepatic IPT‐like lesions	37
	36
Spectra of well‐differentiated neuroendocrine lesions in the extrahepatic biliary system: a case series	36
BRCA1‐associated‐protein‐1 inactivated melanocytic tumours: characterisation of the clinicopathological spectrum and immunohistochemical expression pattern of preferentially expressed antigen in melan	34
	33
Challenges of a tailored immunohistochemistry algorithm for uterine leiomyosarcoma: an integrated analysis of leiomyomas with bizarre nuclei and fumarate hydratase (FH) deficiency	33
Application of a pattern‐based approach to histological diagnosis in very early onset IBD (VEO‐IBD) in a multicentric cohort of children with emphasis on monogenic disease with IBD‐like morphology	32
Annual Review Issue: Breast Pathology	31
High mesothelin expression by immunohistochemistry predicts improved survival in pleural mesothelioma	31
Cover Image	31
Morphological progression of biphenotypic sinonasal sarcoma to high‐grade sarcoma at 7 years from onset	30
Tertiary lymphoid structures in breast ductal carcinoma in situ correlate with adverse pathological parameters	30
Clinical boundaries in adult cases of large B cell lymphoma with IRF4 rearrangement	30
Diagnosis with confidence: deep learning for reliable classification of laryngeal dysplasia	29
Parallel evolution of two distinct lymphoid proliferations in clonal haematopoiesis	29
Genetic alterations affecting the C‐terminus of cyclin D1 are recurrent events in mantle cell lymphoma	27
Clinical, pathological genetics and intratumoral immune milieu of serrated adenocarcinoma of the colon	27
Prostatic malakoplakia: clinicopathological assessment of a multi‐institutional series of 49 patients	26

Cystic lesions of the retrorectal space