Urgent warning signs — calf pain or swelling, fever, the knee locking — are one tap away, always.Something feel wrong?Red flags →
AFTER MACI
Evidence / Sources / E50

Farr J. Autologous chondrocyte implantation improves patellofemoral cartilage treatment outcomes. Clin Orthop Relat Res 2007

Evidence strength 2 of 5
Case series · n = 38 pts / 39 knees · 3.1 yr median (0.5–5.1) follow-upMACI ITSELFFull text →
Everything on this site that leans on E50 — 1 claim
HD-ACI (ICC) · if your lesions are patellofemoral, or there is more than one“In a series of thirty-eight patients with large isolated or bipolar patellofemoral lesions — the bipolar ones averaging 8.8 cm² of treated surface in total — function improved by a…”
Population
ACI, patellofemoral (incl. bipolar)
Selection policy
Sources enter the registry through docs/research — the evidence table records design, population, and size for every entry, and pages cannot cite anything outside it.