{
 "serie": "s401_T1_TSE",
 "n_imgs": 24,
 "s": 52.2,
 "respuesta": "**Limited assessment:** These are sampled axial T1-weighted images only. Cartilage defects, marrow edema, ligament tears and small amounts of fluid cannot be reliably assessed without the other planes and fluid-sensitive sequences.\n\n### Findings\n\n| Location/structure | Description | Confidence |\n|---|---|---|\n| **Distal fibular tip / anterolateral ankle** | Small rounded, apparently corticated bone focus adjacent to the anterior aspect of the fibular tip, most apparent around image 16. This may represent a small chronic avulsion ossicle, although continuity with the fibula cannot be excluded on the sampled images. | **Low–medium** |\n| **Anterior talofibular ligament region** | The expected ligament is somewhat indistinct, with irregular low-signal tissue in the anterolateral interval. Chronic post-sprain scarring is possible. A definite tear or ligament discontinuity is **not** established. | **Low** |\n| **Medial talar dome/shoulder** | Questionable focal subchondral T1 signal reduction on the upper talar images. This is not sufficiently distinct from partial-volume effects to diagnose an osteochondral lesion. No definite displaced fragment or sizable subchondral cyst is visible. | **Low** |\n\n### Other structures\n- **Bones/alignment:** No definite acute fracture, dislocation, collapse or destructive bone lesion.\n- **Cartilage/joints:** No convincing advanced joint-space loss. Tibiotalar and subtalar cartilage are incompletely evaluated in this plane.\n- **Other ligaments:** No gross disruption of the visualized distal syndesmotic or deltoid ligament fibers. The calcaneofibular ligament is not adequately assessed.\n- **Tendons:** Achilles, peroneal, medial flexor and anterior extensor tendons appear grossly continuous. No convincing tendon tear or substantial tendon-sheath distension.\n- **Joint fluid:** No large tibiotalar or subtalar effusion.\n- **Soft tissues:** No discrete mass or sizable collection. No convincing plantar fascial thickening in the included portions.\n\n**Overall:** Possible chronic post-traumatic change at the lateral ligament attachment, but no high-confidence significant abnormality can be established from this series alone. The questionable medial talar finding requires coronal/sagittal and fluid-sensitive images before being called an osteochondral lesion."
}