Yes—adenoids are often visible on a lateral neck (soft-tissue) X-ray in children; this view can show adenoidal enlargement and estimate nasopharyngeal airway narrowing. However, X-ray lacks mucosal detail and may be less accurate than nasal endoscopy, which is the diagnostic gold standard. Clinical assessment and alternative imaging or endoscopy are used when X-ray findings are unclear.

An X‑ray for adenoids is typically a lateral nasopharyngeal radiograph. It's done upright with the head in a true lateral position, neck slightly extended, mouth closed and teeth in occlusion. The midline sagittal plane is parallel to the image receptor and the X‑ray beam is directed horizontally through the nasopharynx. This lateral view best shows adenoid size and airway obstruction.

The best way to evaluate adenoids is direct endoscopic examination (flexible nasopharyngoscopy), especially in children, for accurate visualization and grading. For simple imaging, a lateral nasopharyngeal X‑ray is a quick, low‑cost option to assess adenoid size and airway obstruction. CT or MRI are not routine and are reserved for complicated cases, suspected masses, or preoperative planning.

An ENT evaluates adenoids by taking history and examining the nose and throat, using a nasal speculum or otoscope for a quick view. For direct visualization they commonly perform flexible nasopharyngoscopy (a thin fiber‑optic scope) to see the adenoids and nasopharynx. In children, a lateral neck X‑ray or intraoperative inspection under anaesthesia may be used. Hearing and middle‑ear exam assess related ear problems.

Adenoids are most often removed in young children—commonly between about 1 and 7 years old, with peak rates around 3–5 years—when chronic infections, breathing obstruction, or recurrent ear problems persist despite medical treatment. Surgery can be performed in older children or adults if necessary, but adenoids usually shrink by puberty, so removal is less often needed after early childhood.

Yes—many enlarged or infected adenoids can be treated without surgery. Options include watchful waiting (they often shrink with age), nasal saline rinses, intranasal corticosteroid sprays, allergy control (antihistamines or nasal steroids), and short courses of antibiotics for bacterial infections. Surgery is reserved for persistent obstruction, recurrent infections, or sleep-disordered breathing.