Weiner, D.S. 1982 [[27]] | Kuur, E. 1986 [[12]] | Zipple, J.2003 [[31]] | Robertson, A. 2004 [[22]] | Dannawi, Z. 2007 [[2]] | Zenteno, B. 2010 [[30]] | |
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(n) number of patients & (morphology of fabella) | 16 (9 bony & 2 cartilaginous, 5 thickened fibres of gastrocnemius muscle | 1 | 1 (bony) | 1 (bony) | 2 (bony) | 1 (bony) |
Symptoms described in the text | Pain in extension of the knee, could be reproduced by direct pressure | 3-4 year history of intermittent pain and slight swelling, painful knee extension, pain started after special intensive training | Chief complaint: left posterolateral pain, weakness and foot drop symptoms | 2 month history of pain and swelling in posterolateral region of the right knee associated with a clicking sensation symptoms worse while squatting, stair ascent & descent | Case 1: sharp intermittent pain posterolateral knee, exacerbated & catching in extension case 2: pain & swelling posterolateral knee | Pain while running more than 2 km; posterolateral pain |
Level of activity | Not described | Active soccer player | Lifetime habit of routine engagement in vigorous exercise 5–6 times per week | 65 years old, no description about sports | 58 year old women & 45 year old man, not described | High performance runner |
(n) non-surgical treatment | Injections of steroid, immobilization with splinting & casting, restriction of activity, analgesics | Temporary restriction of activities, injection of steroid and anti-inflam- matory medication | 1; mobilisation of the pisiform bone in the wrist | 1; ultrasound guided injection of cortisone & local anaesthetic | Case 1: physical therapy for 1 year with remaining pain case 2: NSAID, no injection | Multiple conservative treatment which failed; ozone therapy, physiotherapy, ultrasound |
(n) surgery | 11 | 1 | No | No | 2 | 1 |
Follow up | 0,5 y – 7 y | 2,5 years | 16 month | 12 month | 12 & 18 month | 11 month |
Symptoms & problems after procedure | 12 pain free (surgical treatment); 1 minimal periodic pain, 2 periodic pain, 1 significant periodic pain (non surgical treatment); 5, injections of steroid, immobilization with splinting & casting,restriction of activity, analgesics | Work & sports without pain | None | No symptoms 12 month after intervention | Case 1: pain subsided, pain free 12 month after procedure case 2: no pain | None |
Activity after surgery | No report | No report | Full 0 (0–10) | No report | No report | High, international level competitions, participant in Olympic games 2008 11 month after surgery |
Nerve palsy | - | - | No report | - |