Subcutaneous panniculitis-like T-cell lymphoma is a cytotoxic T-cell lymphoma, which preferentially infiltrates subcutaneous tissue, primarily involving the extremities and trunk. 
On microscopic histopathological analysis, atypical lymphoid cells, fat necrosis, and karyorrhexis are characteristic findings of subcutaneous panniculitis-like T-cell lymphoma.
What is subcutaneous panniculitis-like T-cell lymphoma?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is subcutaneous panniculitis-like T-cell lymphoma? [/INST] \n Subcutaneous panniculitis-like T-cell lymphoma is a cytotoxic T-cell lymphoma, which preferentially infiltrates subcutaneous tissue, primarily involving the extremities and trunk. 
On microscopic histopathological analysis, atypical lymphoid cells, fat necrosis, and karyorrhexis are characteristic findings of subcutaneous panniculitis-like T-cell lymphoma.</s>