Table 1: Review of literature of isolated intra-articular fractures of the distal ulnar part of triquetrum.

Author, year	Fracture type, Symptoms	Age, Gender	Mechanism of injury	Treatment	Results
Pevny et al7, 1996	Osteochondral Chronic pain and recurrent radial dislocation of the pisiform	17, male	Fall on outstretched arm during volleyball	Pisiform and osteochondral fragment excision	Satisfactory
Maeda et al8, 1998	Osteochondral Chronic pain and recurrent radial dislocation of the pisiform	17, male	Fall on outstretched arm during football	Pisiform and osteochondral fragment excision	Satisfactory
Suzuki et al9, 2002	Osteochondral Pisiform instability	21, female	Fall on outstretched hand while snowboarding	Pisiform excision	Satisfactory
Hsieh et al10, 2009	Body fracture (distal part)	29, male	Motorcycle accident; collision with a panel truck	Closed KW fixation	Satisfactory
Kanaya et al11, 2013	Osteochondral Pisiform instability, LTQ ligament instability	40, male	Fall from 4 m height	Arthroscopically assisted KW fixation	Satisfactory
Gan et al12, 2015	Body fracture (distal part) Pisiform subluxation	29, male	Fall from height and landed on his right hand, presented 2 months later	Screw fixation	Satisfactory