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Related Experiment Video

Updated: May 14, 2026

Murine Hind Limb Explant Model for Studying the Mechanobiology of Achilles Tendon Impingement

Murine Hind Limb Explant Model for Studying the Mechanobiology of Achilles Tendon Impingement

Published on: December 8, 2023

Plantaris rupture: why is it important?

Seema Rohilla¹, Nitin Jain, Rohtas Yadav

¹Department of Radiology, Pt B.D. Sharma, PGIMS, Rohtak, Haryana, India.

BMJ Case Reports

|January 25, 2013

Summary

This summary is machine-generated.

Rupture of the plantaris muscle can mimic deep vein thrombosis (DVT), leading to misdiagnosis. This case highlights the importance of considering plantaris rupture in calf injury evaluations.

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Area of Science:

Orthopedics
Radiology
Anatomy

Background:

The plantaris muscle, an accessory plantar flexor, is part of the triceps surae complex.
Rupture of the plantaris muscle can present symptoms similar to deep vein thrombosis (DVT).
An intact plantaris tendon can cause plantar flexion even after Achilles tendon rupture, complicating diagnosis.

Observation:

A 51-year-old male experienced a calf injury while playing tennis, characterized by a snapping sensation, pain, and swelling.
Initial ultrasound interpretation by a radiology resident suggested DVT due to observed fluid and a hypoechoic structure.
Magnetic Resonance Imaging (MRI) revealed a ruptured plantaris muscle with fluid and muscle stump between the gastrocnemius and soleus muscles.

Findings:

The case presented a diagnostic challenge where plantaris muscle rupture was initially misidentified as DVT on ultrasound.
MRI provided definitive diagnosis, identifying the ruptured plantaris muscle.
Conservative management including rest, ice, compression, and elevation led to significant symptom improvement.

Implications:

This case underscores the importance of including plantaris muscle rupture in the differential diagnosis for acute calf injuries presenting with DVT-like symptoms.
Accurate radiological interpretation, potentially aided by MRI, is crucial for distinguishing plantaris rupture from DVT.
Understanding the anatomical variations and potential for injury of the plantaris muscle can prevent diagnostic delays and ensure appropriate patient management.