CHRONIC SWELLING WITH PALPABLE MASS OF THE RIGHT ANKLE IN A MIDDLE-AGED MALE MITCHELL TA, BS, AHMED T. RASHAD, MD, NEEL D. GUPTA, MD, JEREMY NGUYEN, MD, FACR
HISTORY 51-year-old male presents with longstanding mass and swelling along the lateral aspect of the ankle.
Chronic Swelling with Palpable Mass of the Right Ankle in a Middle-Aged Male Mitchell Ta, BS, Ahmed T. Rashad, MD, Neel D. Gupta, MD, Jeremy Nguyen, MD, FACR HISTORY 51-year-old male presents with longstanding mass and swelling along the lateral aspect of the ankle.
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Figure 2. Axial T1 and T2 FS MRI
Figure 1. AP radiograph at the level of the lateral malleolus.
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Figure 4
Figure 3. Sagittal T1 and T2 FS MRI
Figure 4. Coronal T1 and T2 FS MRI
Figure 4. Coronal T1 and T2 FS MRI
Figure 1. AP radiograph at the level of the lateral malleolus. Figure 2. Axial T1 and T2 FS MRI Figure 3. Sagittal T1 and T2 FS MRI Figure 4. Coronal T1 and T2 FS MRI IMAGING FINDINGS Figure 1. Frontal radiograph of the ankle demonstrates soft tissue prominence immediately superficial and inferior to the lateral malleolus with interspersed soft tissue heterogenous radiolucency as noted by the red arrows.
of peroneal tenosynovitis with prominent frond-like tissue containing fat signal. IMAGING FINDINGS Figure 1. Frontal radiograph of the ankle demonstrates soft tissue prominence immediately superficial and inferior to the lateral malleolus with interspersed soft tissue heterogenous radiolucency as noted by the red arrows. IMAGING FINDINGS Figure 1. Frontal radiograph of the ankle demonstrates soft tissue prominence immediately superf and inferior to the lateral malleolus with interspersed soft tissue heterogenous radiolucency as not the red arrows. Figure 2. Axial T1 and T2 FS MRI images demonstrate a large amount of fluid within the peroneal tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat signal. Figure 3. Sagittal T1 and T2 FS MRI images demonstrate a large amount of fluid within the peroneal tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat signal. Figure 4. Coronal T1 and T2 FS MRI images demonstrate a large amount of fluid within the peroneal tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat signal. Figure 2. Axial T1 and T2 FS MRI images demonstrate a large amount of fluid within the peroneal tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat s Figure 3. Sagittal T1 and T2 FS MRI images demonstrate a large amount of fluid within the peronea tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat s Figure 4. Coronal T1 and T2 FS MRI images demonstrate a large amount of fluid within the peronea tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat s Figure 3. Sagittal T1 and T2 FS MRI images demonstrate a large amount of fluid within the peroneal tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat signal. Figure 4. Coronal T1 and T2 FS MRI images demonstrate a large amount of fluid within the peroneal tendon sheath reflective of peroneal tenosynovitis with prominent frond-like tissue containing fat signal.
Figure 2. Axial T1 and T2 FS MRI images demonstrate a large amount of fluid within the peroneal tendon sheath reflective
10 J LA MED SOC | VOL 174 | FALL 2022
DIFFERENTIAL DIAGNOSIS 1. Lipoma Arborescens
DIFFERENTIAL DIAGNOSIS 1. Lipoma Arborescens
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