Abstract Background The role of Cytokeratin fraction 21-1 (CYFRA 21-1) as a tumour marker
for head and neck cancer is still a matter of research. The aim of the present study was to …

The aim of this study was to evaluate the importance and potential of Cyfra 21-1 as a tumor
marker (TM) for follow-up of patients with squamous cell carcinoma (SCC) of oropharynx …

Aim: To evaluate the importance and potential of Cyfra21-1 as a tumor marker (TM) for follow-
up of patients with squamous cell carcinoma (SCC) in laryngeal and hypopharyngeal …

Purpose The clinical significance of cytokeratin fraction 21-1 (CYFRA 21-1) for patients with
head and neck cutaneous squamous cell carcinoma (CSCC) is unknown. Thus, the aim of …

Objectives: We performed a prospective study to determine the cutoff value and the
prognostic value of Cyfra 21–1, a serum tumor marker, in head and neck squamous cell …

Oral squamous cell carcinoma (OSCC) is the most common malignant tumour in the oral
and maxillofacial region, and has a poor prognosis. Cyfra 21-1 is a useful tumour marker for …

Objective: Finding tumor markers for disease progression, and especially development of
distant metastases, is desirable for patients with squamous cell carcinoma of the head and …

Purpose: There is a lack of effective diagnostic tools for early assessment of radiotherapy
(RT) outcome in patients with head and neck cancer (HNC). The timely diagnosis of …

Background Oropharyngeal squamous cell carcinoma (OPSCC) is a kind of squamous cell
carcinoma of head and neck, and its incidence is on the rise in recent years. A variety of …

Aim: To evaluate serum soluble fragments of cytokeratin 19 (ie, CYFRA21-1) as a tumor
marker for patients with squamous cell lung carcinoma (SCLC) and oropharynx squamous …