Patellofemoral Pain Syndrome is related to pain disorder and bursitis, and has symptoms including arthralgia and metatarsalgia. An important gene associated with Patellofemoral Pain Syndrome is LAPTM4A (Lysosomal Protein Transmembrane 4 Alpha). The drugs Lidocaine and Acetylcholine have been mentioned in the context of this disorder. Affiliated tissues include bone and heart.