The causes of heel cord pain after repair of acute rupture of the Achilles tendon are unclear. The proposed etiologies include nonabsorbable suture granuloma formation, alteration of the pain receptors threshold in the tendon, and distension of the paratenon by the hypertrophied tendon, underlying tendinopathy, postrepair neovascularization, and peritendinous fibrous adhesion.
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A Case of Heel Cord Pain After Repair of Acute Achilles Tendon Rupture: Treated by Endoscopic Adhesiolysis of the Achilles Tendon