{
 "serie": "s301_T1_TSE_SAG.",
 "n_imgs": 18,
 "s": 35.1,
 "respuesta": "**Limited assessment:** Only the 18 supplied sagittal T1-weighted images are available. Marrow edema, cartilage defects, ligament injury, and small tendon-sheath effusions cannot be reliably assessed without the other sequences and planes.\n\n### Findings\n| Location | Description | Confidence |\n|---|---|---|\n| Dorsal talonavicular joint/talar neck | Small dorsal marginal bony prominences, suggesting mild degenerative spurring. Joint space is otherwise maintained. | **Medium** |\n| Medial tibiotalar articulation | Subtle marginal irregularity and subchondral low T1 signal, possibly mild degenerative change. Partial-volume effects may contribute. No definite discrete osteochondral defect or displaced fragment. | **Low** |\n\n### Other structures\n- **Bones:** Otherwise preserved fatty marrow signal and alignment. No definite fracture, collapse, or destructive osseous lesion.\n- **Cartilage/joints:** No gross cartilage loss in the central tibiotalar or posterior subtalar joint. No substantial joint effusion.\n- **Tendons:** Achilles tendon is intact and not appreciably thickened. Visualized flexor, extensor, and peroneal tendons show no obvious discontinuity or marked abnormal thickening.\n- **Ligaments:** Incompletely evaluated in this plane; no definite tear can be established.\n- **Plantar fascia:** No appreciable proximal thickening or disruption.\n- **Soft tissues:** No discrete mass, collection, or conspicuous soft-tissue swelling.\n\n**Impression:** Mild dorsal talonavicular spurring and questionable mild medial tibiotalar degenerative change. No definite acute osseous abnormality or major tendon injury on this limited series."
}