Cancer of unknown primary presenting as bone-predominant or lymph node-only disease: a clinicopathologic portrait.
CONCLUSIONS: BCUP and LNCUP are rare subsets within CUP with varying prognosis. Poor-risk Culine group and high neutrophil-to-lymphocyte ratio are associated with poor survival. Select patients with limited metastases can have long-term survival with aggressive multi-modality treatment. Careful clinicopathological review can facilitate chances of site-directed therapy.
IMPLICATIONS FOR PRACTICE: Cancer of unknown primary (CUP) rarely presents as bone-predominant (BCUP) or lymph node-only (LNCUP) disease. We describe a cohort of each and compare to a larger CUP cohort. Patients with BCUP have unique issues with fractures and pain, often receiving radiation. Overall survival of 14.5 months was similar to a larger CUP comparison cohort. Patients with LNCUP had improved overall survival at 32.6 months, with longer survival in patients without disseminated disease. Culine poor-risk group and neutrophil-to-lymphocyte ratio were associated with worse overall survival. We also provide tips regarding diagnosis and management of these rare malignant subsets.
PMID: 33524217 [PubMed - as supplied by publisher]
Source: The Oncologist - Category: Cancer & Oncology Authors: Huey RW, Smaglo BG, Estrella JS, Matamoros A, Overman MJ, Varadhachary GR, Raghav KPS Tags: Oncologist Source Type: research
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