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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Definitions
Morphologically normal muscle that is present in only small percentage of population
Named for muscle with which it is closely associated
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
CLINICAL ISSUES
Presentation
Demographics
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Reporting Tips
Selected References
Burrus MT et al: Chronic leg pain in athletes. Am J Sports Med. 43(6):1538-47, 2015
Bilgili MG et al: Peroneus quartus: prevalance and clinical importance. Arch Orthop Trauma Surg. 134(4):481-7, 2014
Duran-Stanton AM et al: Magnetic resonance diagnosis of tarsal tunnel syndrome due to flexor digitorum accessorius longus and peroneocalcaneus internus muscles. J Comput Assist Tomogr. 34(2):270-2, 2010
Luck MD et al: High association between accessory soleus muscle and Achilles tendonopathy. Skeletal Radiol. 37(12):1129-33, 2008
Sookur PA et al: Accessory muscles: anatomy, symptoms, and radiologic evaluation. Radiographics. 28(2):481-99, 2008
Doda N et al: Symptomatic accessory soleus muscle: diagnosis and follow-up on magnetic resonance imaging. Br J Radiol. 79(946):e129-32, 2006
Wang XT et al. Normal variants and diseases of the peroneal tendons and superior peroneal retinaculum: MR imaging features. Radiographics 25(3):587-602, 2005
Eberle CF et al: The accessory flexor digitorum longus as a cause of Flexor Hallucis Syndrome. Foot Ankle Int. 23(1):51-5, 2002
Cheung Y et al: MR imaging of the accessory muscles around the ankle. Magn Reson Imaging Clin N Am. 9(3):465-73, x, 2001
Morphologically normal muscle that is present in only small percentage of population
Named for muscle with which it is closely associated
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
CLINICAL ISSUES
Presentation
Demographics
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Reporting Tips
Selected References
Burrus MT et al: Chronic leg pain in athletes. Am J Sports Med. 43(6):1538-47, 2015
Bilgili MG et al: Peroneus quartus: prevalance and clinical importance. Arch Orthop Trauma Surg. 134(4):481-7, 2014
Duran-Stanton AM et al: Magnetic resonance diagnosis of tarsal tunnel syndrome due to flexor digitorum accessorius longus and peroneocalcaneus internus muscles. J Comput Assist Tomogr. 34(2):270-2, 2010
Luck MD et al: High association between accessory soleus muscle and Achilles tendonopathy. Skeletal Radiol. 37(12):1129-33, 2008
Sookur PA et al: Accessory muscles: anatomy, symptoms, and radiologic evaluation. Radiographics. 28(2):481-99, 2008
Doda N et al: Symptomatic accessory soleus muscle: diagnosis and follow-up on magnetic resonance imaging. Br J Radiol. 79(946):e129-32, 2006
Wang XT et al. Normal variants and diseases of the peroneal tendons and superior peroneal retinaculum: MR imaging features. Radiographics 25(3):587-602, 2005
Eberle CF et al: The accessory flexor digitorum longus as a cause of Flexor Hallucis Syndrome. Foot Ankle Int. 23(1):51-5, 2002
Cheung Y et al: MR imaging of the accessory muscles around the ankle. Magn Reson Imaging Clin N Am. 9(3):465-73, x, 2001