Palmar Fibromatosis, Updated Review With Relationship to the A1 Pulley, Trigger Finger, and Presence of the Sonographic Comb Sign.
Cody A PepperdayNaveen MurthySanjeev KakarGavin A McKenziePublished in: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (2024)
The Comb Sign can aid in sonographic diagnosis of PF. Lateral extension of fibromas can occur. Most palmar fibromas have a significant intimate association with the A1 pulley, and presence of trigger finger with adjacent palmar fibroma can exist and is important for hand surgeons to know preoperatively.