Supplementary Table 1 – Review of literature on surgically managed symptomatic proximal fibular osteochondromas with emphasis on pre- operative and post-operative peroneal nerve function.
Author Year Case(s) Avg. Age (yrs) (range)
Gender (M:F)
Pre-Operative Symptom (#)
Avg Symptom duration (mths) (range)
Surgery Performed
Post-Operative Symptoms Avg.
recovery (mths) (range)
Other notes
Cinar et. al.
[3]
2014 5 10.5
(2.5-15)
3:2 Foot drop (5) 4.6 (3-6) PN exploration,
Excision PFO
All 5 resolved 1.6 (1-3) No recurrence of PFO
Kumar et.
al.[7]
2014 1 18 1:0 Pain, swelling n/a PN exploration,
Excision PFO
none n/a Uneventful recovery, no
recurrence Gocmen et.
al.[13]
2014 3 21
(20-22)
3:0 Foot drop (1) PN weakness (3)
n/a PN exploration,
Excision PFO
Completely resolved in all 3 cases
Resolved by 3 years
Immediate treatment is mandatory to regain best possible recovery Manoharan
et. al.[24]
2013 1 21 0:1 Foot drop 1 PN exploration,
Excision PFO
Complete resolution 6 months Foot drop post cesarean section
Paprottka et. al.[25]
2012 1 19 0:1 EHL/EDL weakness 5 years PN exploration,
Excision PFO
Ongoing foot drop, no improvement in motor
none Irreversible motor damage, sensation returned Mootha et.
al.[22]
2011 6 17.7
(14-22)
4:2 PN weakness (3) Mechanical block (1) Cosmesis (1), Pain (1)
n/a PN exploration,
Excision PFO
Full nerve recovery (2), Partial nerve recovery with EHL weakness (1)
3.5 (3-4) No recurrence or disruption of PTFJ
Yoo et. al.
[26]
2010 1 10 0:1 EHL loss only 2 PN exploration,
Excision PFO
Full EHL recovery 3 Presented only with motor
EHL loss Mnif et. al.
[5]
2009 1 11 1:0 Foot drop 3 PN exploration,
Excision PFO
Full recovery 3
Gray et. al.
[23]
2004 2 16
(15-17)
1:1 Pain (1) Paresthesias (1)
n/a PN exploration,
Excision PFO
Full sensory recovery n/a PFO split the common peroneal nerve in half Bottner et.
al.[12]
2003 6 n/a n/a PN palsy (6) Up to 2 years (3
patients)
PN exploration, Excision PFO
All recovered n/a Excision has good results
with low morbidity Wirganowic
z et. al.[11]
1997 10 n/a 4:6 Pain (8)
Foot weakness (1) Paresthesias (1)
n/a n/a All pre-operative symptoms
resolved
n/a 3 cases of post-operative peroneal neurapraxias in pre-op normal patients, 2 that resolved
Cardelia et.
al.[8]
1995 6 9.8
(7-14)
4:2 PN symptoms (5) Pain (1)
10 (1-24) PN exploration, Excision PFO
Complete resolution (4) Partial with EHL weakness (1)
7 (2-12) 1 case of post-operative foot drop that recovered after 1 month
Watson et.
al.[6]
1993 1 12 1:0 Foot drop 3 n/a Partial resolution, ongoing EHL
weakness
n/a Peroneal nerve palsies can occur from isolated PFO Hodgen et.
al.[4]
1939 2 14.5
(14-15)
2:0 Foot drop 2.5 (2-3) PN exploration,
Excision PFO
Full recovery (1) Partial recovery with EHL weakness (1)
5.5 (5-6) First case report of PFO causing a foot drop
Avg. = average, Yrs = years, Mths = months, M = male, F = female, PFO = proximal fibular osteochondroma, PN = peroneal nerve, PTFJ = proximal tibio-fibular joint, EHL = extensor hallux longus, EDL = extensor digitorum longus