An unusual case of fibromatosis of the dominant left flexor pollicus longus (FPL) in a thirteen year old schoolboy. Initially presenting with pain in the thenar eminence and difficulty flexing the metacarpal phalangeal joint (MPJ). other symptoms include locking. triggering and difficulty writing. https://www.ealisboa.com/limited-price-Cable-Splitter-weBoost-WilsonPro-by-Wilson-Electronics-mega-offer/