Papers with CT
Finding-Centric Structuring of Japanese Radiology Reports and Analysis of Performance Gaps for Multiple Facilities (2025.naacl-industry)
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Yuki Tagawa, Yohei Momoki, Norihisa Nakano, Ryota Ozaki, Motoki Taniguchi, Masatoshi Hori, Noriyuki Tomiyama
| Challenge: | Despite advances in IE, radiology reports are often recorded in free-text format, limiting their secondary application. |
| Approach: | They propose a "Finding-Centric Structuring" approach which organizes reports around individual findings, facilitating secondary use. |
| Outcome: | The proposed approach organizes radiology reports around individual findings, facilitating secondary use. |
Efficient Semi-supervised Consistency Training for Natural Language Understanding (2022.naacl-industry)
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| Challenge: | Manually labeled training data is expensive, noisy, and often scarce . semi-supervised learning methods can be used to improve model performance . |
| Approach: | They explore different methods for consistency training on unlabeled data . they use human paraphrasing, back-translation, and dropout to augment unlabed data. |
| Outcome: | The proposed methods outperform purely supervised learning on unlabeled data. |
MARCH: Multi-Agent Radiology Clinical Hierarchy for CT Report Generation (2026.acl-short)
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| Challenge: | Automated 3D radiology report generation suffers from clinical hallucinations and lacks the iterative verification characteristic of clinical workflows. |
| Approach: | They propose a multi-agent framework that emulates the professional hierarchy of radiology departments and assigns specialized roles to distinct agents. |
| Outcome: | The proposed framework outperforms state-of-the-art models in clinical fidelity and linguistic accuracy on the RadGenome-ChestCT dataset. |
Classification of hierarchical text using geometric deep learning: the case of clinical trials corpus (2021.emnlp-main)
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| Challenge: | Fig. 1 shows a simplified CT protocol. |
| Approach: | They propose to use geometric deep learning to classify hierarchical documents into different categories by using a selective graph pooling operation that arises from the fact that some parts of the hierarchy are invariable across different documents. |
| Outcome: | The proposed model achieves f1-scores around 0.85 on a publicly available large scale CT registry of around 360K protocols. |
PAMN: Multi-phase Correlation Modeling for Contrast-Enhanced 3D Medical Image Retrieval (2025.findings-emnlp)
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| Challenge: | Current 3D medical imaging models focus on spatial features, neglecting phase-specific progression detailed in clinical reports. |
| Approach: | They propose a framework that fuses imaging phases with clinical text to enhance 3D medical image retrieval. |
| Outcome: | The proposed framework outperforms state-of-the-art models on a phase-series dataset of 12,230 hospital CT scans. |
Enhancing the Safety of Medical Vision-Language Models by Synthetic Demonstrations (2026.eacl-long)
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| Challenge: | Existing Med-VLMs are vulnerable to harmful clinical queries . authors propose a novel inference-time defense strategy to mitigate harmful queries based on synthetic clinical demonstrations . |
| Approach: | They propose a novel inference-time defense strategy to mitigate harmful queries . existing Med-VLMs are vulnerable to harmful queries, they argue . |
| Outcome: | The proposed strategy reduces query risk while reducing demonstration budget . existing Med-VLMs are vulnerable to harmful queries, authors argue . |
DeltaNet: Conditional Medical Report Generation for COVID-19 Diagnosis (2022.coling-1)
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Xian Wu, Shuxin Yang, Zhaopeng Qiu, Shen Ge, Yangtian Yan, Xingwang Wu, Yefeng Zheng, S. Kevin Zhou, Li Xiao
| Challenge: | X-ray and CT are the gold standard for COVID-19 diagnosis and treatment . however, due to the excessive number of patients, writing reports becomes a heavy burden for radiologists. |
| Approach: | They propose to use X-ray and CT to generate medical reports automatically . they evaluate DeltaNet on a COVID-19 dataset, where it outperforms state-of-the-art approaches . |
| Outcome: | The proposed system outperforms state-of-the-art methods on a COVID-19 dataset. |
Unlocking the Potential of Model Merging for Low-Resource Languages (2024.findings-emnlp)
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| Challenge: | Adapting large language models (LLMs) to new languages requires continual pre-training followed by supervised fine-tuning. |
| Approach: | They propose a model merging solution that integrates LLMs with distinct capabilities into a single model without additional training. |
| Outcome: | The proposed model merging outperforms CT-then-SFT in low-resource languages with scarce data. |
BiMediX2 : Bio-Medical EXpert LMM for Diverse Medical Modalities (2025.findings-emnlp)
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Sahal Shaji Mullappilly, Mohammed Irfan Kurpath, Sara Pieri, Saeed Yahya Alseiari, Shanavas Cholakkal, Khaled M Aldahmani, Fahad Shahbaz Khan, Rao Muhammad Anwer, Salman Khan, Timothy Baldwin, Hisham Cholakkal
| Challenge: | BiMediX2 is a bilingual (Arabic-English) large multimodal model that supports text-based and image-based medical interactions. |
| Approach: | They introduce BiMediX2, a bilingual (Arabic-English) Bio-Medical EXpert Large Multimodal Model that supports text-based and image-based medical interactions. |
| Outcome: | The model outperforms existing models by over 9% in English and more than 20% in Arabic evaluations. |
RadGraph-XL: A Large-Scale Expert-Annotated Dataset for Entity and Relation Extraction from Radiology Reports (2024.findings-acl)
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Jean-Benoit Delbrouck, Pierre Chambon, Zhihong Chen, Maya Varma, Andrew Johnston, Louis Blankemeier, Dave Van Veen, Tan Bui, Steven Truong, Curtis Langlotz
| Challenge: | RadGraph-XL is an expert-annotated dataset for structured clinical data extraction. |
| Approach: | They propose a large-scale, expert-annotated dataset for clinical entity and relation extraction using radiology reports. |
| Outcome: | The proposed model outperforms existing methods by up to 52% and outperfies GPT-4 in this domain. |
Argus: Benchmarking and Enhancing Vision-Language Models for 3D Radiology Report Generation (2025.findings-acl)
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| Challenge: | Existing work on 3D radiograph report generation focuses on 2D images, but 3D medical images provide more comprehensive diagnostic information. |
| Approach: | They propose a comprehensive training recipe for building high-performing VLMs for 3DRRG using a publicly available 3D CT-report dataset. |
| Outcome: | The proposed model achieves superior performance across different model sizes and input 3D medical image resolutions. |
Region-Grounded Report Generation for 3D Medical Imaging: A Fine-Grained Dataset and Graph-Enhanced Framework (2026.acl-long)
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Cong Huy Nguyen, Son Dinh Nguyen, Guanlin Li, Tuan Dung Nguyen, Aditya Narayan Sankaran, Mai Huy Thong, Thanh Trung Nguyen, Mai Hong Son, Reza Farahbakhsh, Phi Le Nguyen, Noel Crespi
| Challenge: | Current methods map whole volumes to reports, ignoring the clinical workflow of analyzing localized Regions of Interest (RoIs) Current models exhibit suboptimal accuracy and are prone to significant hallucinations. |
| Approach: | They propose a framework that mimics the professional radiologist diagnostic workflow by employing graph-based relational modules to capture dependencies between RoI attributes. |
| Outcome: | The proposed framework surpasses existing models by 19.7% in BLEU and 4.7% in ROUGE-L while achieving a 45.8% improvement in clinical metrics. |
Fact Recall, Heuristics or Pure Guesswork? Precise Interpretations of Language Models for Fact Completion (2025.findings-acl)
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| Challenge: | Language models (LMs) can make a correct prediction based on many possible signals in a prompt, but not all corresponding to recall of factual associations. |
| Approach: | They propose a model-specific recipe for constructing datasets with examples of four different prediction scenarios: generic language modeling, guesswork, heuristics recall and exact fact recall. |
| Outcome: | The proposed model-specific recipe yields distinct results for each scenario. |
See Detail Say Clear: Towards Brain CT Report Generation via Pathological Clue-driven Representation Learning (2024.findings-emnlp)
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| Challenge: | Brain CT report generation is important to aid physicians in diagnosing cranial diseases. |
| Approach: | They propose a Pathological Clue-driven Representation Learning model to build cross-modal representations based on pathological clues and adapt them for text generation. |
| Outcome: | The proposed method outperforms previous methods and achieves SoTA performance. |
CT-FineBench: A Diagnostic Fidelity Benchmark for Fine-Grained Evaluation of CT Report Generation (2026.acl-long)
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| Challenge: | Existing evaluation metrics for radiology report generation focus on lexical overlap and entity matching. |
| Approach: | They propose a benchmark to evaluate the fine-grained factual consistency of CT reports . they use a question-answering process to query a machine-generated report . |
| Outcome: | The proposed benchmark evaluates the fine-grained factual consistency of CT reports . it correlates better with expert clinical assessment and is more sensitive to errors . |