Presentation
Nodule involving sole of the foot for 1 year.
Patient Data
A soft tissue density is noted involving sole. No calcification.
No bony abnormality.
Biopsy of the lesion was done. 2 differencials - Anaplastic ca, amelanotic melanoma.
Referred for chest radiograph and ultrasound abdomen - pelvis and inguinal regions.
Both lung fields are clear.
No abnormality of soft tissue or bony thorax.
LEFT CALF
Three subcutaneous lesions are noted
- two hypoechoic nodules seen lateral to short saphenous vein - 4 - 5 mm
- hypoechoic nodules seen medial to short saphenous vein - 3 mm
LEFT popliteal fossa
An ovoid lesion 21 x 17 mm with loss of hilar fat and central vascularity.
LEFT inguinal region
Three nodes/lesions are noted. The largest lesion/node is measuring 19 x 16 mm with loss of hilar fat and central vascularity.
Another node with asymmetric cortical thickening.
Abdomen and pelvis
No hepatic lesions.
Case Discussion
Excision of subcutaneous lesions in calf, popliteal nodes and inguinal nodes was done.
Histopathology - Anaplastic ca / melanoma.
IHC study - Melanoma.
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