Multiscale Cross-Modal Mapping of Molecular, Pathologic, and Radiologic Phenotypes in Lipid-Deficient Clear Cell Renal CellCarcinoma

• URL: http://arxiv.org/abs/2512.14750v1
• Date: Sat, 13 Dec 2025 23:49:41 GMT
• Title: Multiscale Cross-Modal Mapping of Molecular, Pathologic, and Radiologic Phenotypes in Lipid-Deficient Clear Cell Renal CellCarcinoma
• Authors: Ying Cui, Dongzhe Zheng, Ke Yu, Xiyin Zheng, Xiaorui Wang, Xinxiang Li, Yan Gu, Lin Fu, Xinyi Chen, Wenjie Mei, Xin-Gui Peng,
• Abstract summary: The lipid-deficient de-clear cell differentiated (DCCD) ccRCC subtype is associated with adverse outcomes even in early-stage disease.<n>Here, we establish a hierarchical cross-scale framework for the preoperative identification of DCCD-ccRCC.<n>PathoDCCD captured multi-scale microscopic features, from cellular morphology and tissue architecture to meso-regional organization.<n>RadioDCCD integrated complementary macroscopic information by combining whole-tumor and its habitat-subregions radiomics.
• Score: 20.5770391049623
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Clear cell renal cell carcinoma (ccRCC) exhibits extensive intratumoral heterogeneity on multiple biological scales, contributing to variable clinical outcomes and limiting the effectiveness of conventional TNM staging, which highlights the urgent need for multiscale integrative analytic frameworks. The lipid-deficient de-clear cell differentiated (DCCD) ccRCC subtype, defined by multi-omics analyses, is associated with adverse outcomes even in early-stage disease. Here, we establish a hierarchical cross-scale framework for the preoperative identification of DCCD-ccRCC. At the highest layer, cross-modal mapping transferred molecular signatures to histological and CT phenotypes, establishing a molecular-to-pathology-to-radiology supervisory bridge. Within this framework, each modality-specific model is designed to mirror the inherent hierarchical structure of tumor biology. PathoDCCD captured multi-scale microscopic features, from cellular morphology and tissue architecture to meso-regional organization. RadioDCCD integrated complementary macroscopic information by combining whole-tumor and its habitat-subregions radiomics with a 2D maximal-section heterogeneity metric. These nested models enabled integrated molecular subtype prediction and clinical risk stratification. Across five cohorts totaling 1,659 patients, PathoDCCD reliably recapitulated molecular subtypes, while RadioDCCD provided reliable preoperative prediction. The consistent predictions identified patients with the poorest clinical outcomes. This cross-scale paradigm unifies molecular biology, computational pathology, and quantitative radiology into a biologically grounded strategy for preoperative noninvasive molecular phenotyping of ccRCC.

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