Tibial Stress Fractures: Specificity of Focal Tenderness to Palpation
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Abstract
Materials and Methods: A series of 19 patients presenting with 31 painful episodes in the leg between 2012 and 2014 was analyzed. Patients experiencing tibial pain during military training were included, while those with a history of trauma were excluded. A physical examination was performed, mapping painful tibial points using a grid divided into nine zones and classifying them into three patterns: vertical, transverse, and focal (single point). All patients underwent radiographic and scintigraphic imaging.
Results: Of the total patients, 63% were women and 36.8% were men. A total of 31 lesions were identified (64.5% in women, 35.5% in men). Radiographs were negative in all cases, whereas scintigraphy confirmed 22 (71%) stress fractures and 9 (29%) cases of periostitis. The transverse and focal pain patterns were the most sensitive (40.91%). The focal pattern was observed in 29% of cases and was exclusively associated with stress fractures.
Conclusions: Focal tenderness to palpation was present in 100% of cases with stress fractures, demonstrating its high specificity as a clinical sign. This finding highlights its diagnostic value in evaluating tibial stress fractures.
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