Some systemic infections (eg, mononucleosis, HIV, tuberculosis) cause cervical lymph node enlargement—usually generalized rather than isolated. Congenital disorders may cause a neck …

Symptoms and signs of laryngeal cancer differ based on the involved portion of the larynx. Patients with supraglottic cancer often present with dysphagia; other common symptoms include airway …

Lipomas are very common, benign, and usually solitary, but some patients have multiple lipomas. Common sites are the proximal extremities, trunk, and neck. Multiple lipomas can be familial and/or …

Papules are elevated lesions usually < 10 mm in diameter that can be felt or palpated. Examples include nevi, warts, lichen planus, insect bites, seborrheic keratoses, actinic keratoses, some lesions of …

Overview of Head and Neck Tumors - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the MSD Manuals - Medical Professional Version.

(See also Overview of Head and Neck Tumors.) If not initially detected on radiographs, jaw tumors are diagnosed clinically because their growth causes swelling of the face, palate, or alveolar ridge (the …

Oropharyngeal cancer refers to cancer of the tonsil, base and posterior one third of the tongue, soft palate, and posterior and lateral pharyngeal walls. Squamous cell carcinoma comprises over 95% of …

Retropharyngeal abscesses, most common among young children, can cause sore throat, fever, neck stiffness, and stridor. Diagnosis requires lateral neck x-ray or CT. Treatment is with endotracheal …

Oct 21, 2022 · Neck pain and back pain are among the most common reasons for physician visits. Pathophysiology of Neck and Back Pain Depending on the cause, neck or back pain may be …

(See also Overview of the Lymphatic System.) Lymph nodes are present throughout the body and may be superficial or deep. Particular collections of superficial lymph nodes are present in the neck, …