There is extensive  differential<unk>  for neck<unk> .Varity of diseases manifest as neck<unk> .The most causes are biomechanical 
axial neck<unk> , whiplash associated disorder (WAD),radiculopathy, cervical myelopathy, infection, neoplasm, rheumatic causes, trauma, referred<unk>  and fibromyalgia.
Neck pain differential diagnosis
Neck masses differential diagnosis
Neck pain risk factors
Neck masses causes
Laryngeal cancer differential diagnosis
Hypopharyngeal cancer differential diagnosis
Adenoiditis differential diagnosis
Pharyngitis differential diagnosis