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 2021-09-01 to 2025-09-01.)

Article	Citations
Dedifferentiated endometrial carcinoma, an aggressive neoplasm	113
Pagetoid reticulosis manifests as localized ulcerative plaque on leg in old woman	112
An unusual case of intraplacental leiomyoma and case series of leiomyomata in pregnancy	110
Lung Pathology	77
Breast Pathology	72
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	60
Cystic lesions of the retrorectal space	49
	38
Spectra of well‐differentiated neuroendocrine lesions in the extrahepatic biliary system: a case series	38
Prostatic malakoplakia: clinicopathological assessment of a multi‐institutional series of 49 patients	37
Clinicopathologic features and outcomes of hepatic inflammatory pseudotumour (IPT) and hepatic IPT‐like lesions	37
	36
Challenges of a tailored immunohistochemistry algorithm for uterine leiomyosarcoma: an integrated analysis of leiomyomas with bizarre nuclei and fumarate hydratase (FH) deficiency	35
Annual Review Issue: Breast Pathology	34
Cover Image	33
Clinical boundaries in adult cases of large B cell lymphoma with IRF4 rearrangement	32
Morphological progression of biphenotypic sinonasal sarcoma to high‐grade sarcoma at 7 years from onset	31
Diagnosis with confidence: deep learning for reliable classification of laryngeal dysplasia	31
ROS1 pattern of immunostaining in 11 cases of spitzoid tumour: comparison with histopathological, fluorescence in‐situ hybridisation and next‐generation sequencing analysis	30
Genetic alterations affecting the C‐terminus of cyclin D1 are recurrent events in mantle cell lymphoma	30
Novel THBS1::IGF1R fusion in myopericytic tumour	29
Stromal composition predicts recurrence of early rectal cancer after local excision	28
Can thyroid histomorphology identify patients with PTEN hamartoma tumour syndrome?	28
Gastric‐type glandular lesions of the female genital tract excluding the cervix: emerging pathological entities	28
BRCA1‐associated‐protein‐1 inactivated melanocytic tumours: characterisation of the clinicopathological spectrum and immunohistochemical expression pattern of preferentially expressed antigen in melan	27

Eosinophilic solid and cystic renal cell carcinoma and renal cell carcinomas with TFEB alterations: a comparative study	27
Follicular lymphoma research: an open dialogue for a collaborative roadmap	26
Why do errors arise in artificial intelligence diagnostic tools in histopathology and how can we minimize them?	26
Atypical spindle cell/pleomorphic lipomatous tumour: a clinicopathologic, immunohistochemical and molecular study of 55 cases, highlighting TP53 gene alterations as a genetic hallmark of atypic	26
Tertiary lymphoid structures in breast ductal carcinoma in situ correlate with adverse pathological parameters	26
Sporadic superficial angiomyxomas demonstrate loss of PRKAR1A expression	26