Hematology (Amsterdam, Netherlands) · 2026
Clinical characteristics, treatment options, and prognosis of subcutaneous panniculitis-like T-cell lymphoma from the SEER database.
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Zhang Lijuan, Chen Zehui, Lu Longhua, Xiang Bing
Аннотация
INTRODUCTION: Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) is a rare type of cutaneous lymphoma lacking standardized treatments. Consequently, patient outcomes vary significantly.
METHODS: This study explored the clinical characteristics and prognostic factors of 205 SPTCL patients from 2000 to 2021 in the Surveillance, Epidemiology, and End Results (SEER) database.
RESULTS: Overall survival (OS) at 1, 3, and 5 years were 78.3%, 75.7%, and 66.4%, respectively. Patients diagnosed after 2008 (possibly excluding the γ-δ subtype) (HR = 0.197, 95% CI = 0.106-0.364, p = 0.000) and Asian or Pacific Islanders (HR = 0.210, 95% CI = 0.049-0.902, p = 0.036) were independent predictors of favorable survival, whereas age 50-60 years (HR = 3.213, 95% CI = 1.357-7.607, p = 0.008) and age > 60 years (HR = 5.039, 95% CI = 2.327-10.911, p = 0.000) were independently associated with poor survival. Patients who received radiotherapy alone exhibited a significantly lower hazard risk compared to those receiving no chemotherapy or radiation (HR = 0.216, 95% CI = 0.048-0.983, p = 0.048). No statistically significant differences in prognosis were observed between patients who received no chemotherapy or radiation and those who received either chemotherapy alone (HR = 1.276, 95% CI = 0.644-2.529, p = 0.485) or radiochemotherapy (HR = 1.283, 95% CI = 0.463-3.558, p = 0.632). These associations persisted after IPTW adjustment, with age, race, year of diagnosis, and treatment remaining independent predictors of OS in SPTCL.
CONCLUSIONS: The Ann Arbor staging was not suitable for SPTCL. Radiotherapy represents an appropriate therapeutic option for patients with single or localized skin lesions. No statistically significant differences in prognosis were observed between patients who received no chemotherapy or radiation and those who received either chemotherapy alone or radiochemotherapy. This finding suggests that immunomodulatory agents may be preferable to cytotoxic therapy as initial treatment for SPTCL, an inflammatory lymphoma.
METHODS: This study explored the clinical characteristics and prognostic factors of 205 SPTCL patients from 2000 to 2021 in the Surveillance, Epidemiology, and End Results (SEER) database.
RESULTS: Overall survival (OS) at 1, 3, and 5 years were 78.3%, 75.7%, and 66.4%, respectively. Patients diagnosed after 2008 (possibly excluding the γ-δ subtype) (HR = 0.197, 95% CI = 0.106-0.364, p = 0.000) and Asian or Pacific Islanders (HR = 0.210, 95% CI = 0.049-0.902, p = 0.036) were independent predictors of favorable survival, whereas age 50-60 years (HR = 3.213, 95% CI = 1.357-7.607, p = 0.008) and age > 60 years (HR = 5.039, 95% CI = 2.327-10.911, p = 0.000) were independently associated with poor survival. Patients who received radiotherapy alone exhibited a significantly lower hazard risk compared to those receiving no chemotherapy or radiation (HR = 0.216, 95% CI = 0.048-0.983, p = 0.048). No statistically significant differences in prognosis were observed between patients who received no chemotherapy or radiation and those who received either chemotherapy alone (HR = 1.276, 95% CI = 0.644-2.529, p = 0.485) or radiochemotherapy (HR = 1.283, 95% CI = 0.463-3.558, p = 0.632). These associations persisted after IPTW adjustment, with age, race, year of diagnosis, and treatment remaining independent predictors of OS in SPTCL.
CONCLUSIONS: The Ann Arbor staging was not suitable for SPTCL. Radiotherapy represents an appropriate therapeutic option for patients with single or localized skin lesions. No statistically significant differences in prognosis were observed between patients who received no chemotherapy or radiation and those who received either chemotherapy alone or radiochemotherapy. This finding suggests that immunomodulatory agents may be preferable to cytotoxic therapy as initial treatment for SPTCL, an inflammatory lymphoma.