Fine-tuned Medical Vision-Language Model (MedGemma 1.5 4B) with and without Structured Radiologist Descriptors versus EU-TIRADS for Malignancy Risk Stratification of Thyroid Nodules at Ultrasound: A Tunisian Multicenter Diagnostic Accuracy Study
Purpose. To evaluate a medical vision-language foundation model fine-tuned on thyroid ultrasound images, with or without the radiologist's structured descr