Conclusion: Children commonly present with persistent cervical adenopathy to the primary health care clinic.

Characteristically, patients are young women with cervical adenopathy which may be associated with fever.

A woman with mild Covid-19 developed cervical adenopathy, being diagnosed of Epstein-Barr virus infectious mononucleosis.

Five patients had involvement of one or more cranial nerves, and two had concomitant cervical adenopathy.

Tularemia should be considered in the differential diagnosis of massive adenotonsillar enlargement and extensive necrotic cervical adenopathy.

The primary site cannot be detected, treatment should initially involve cervical adenopathy with combined surgery, chemotherapy, and radiotherapy.

The study included all children younger than 13 years presenting with persistent cervical adenopathy to the local primary health care clinic.

An atypical case of infectious mononucleosis characterized by fever, acute tonsillitis, and bilateral cervical adenopathy is reported in a previously healthy young man.

In patients with cervical adenopathy, especially, those of cervical lymph node metastasis with no detectable primary tumor, diagnosis and treatment planning can become confused.

Cervical adenopathy was associated with 83% of the PPS recurrences.

The predominant tumor types reported are those of the oral cavity, pharynx and primary malignant cervical adenopathies.