These cells are in the lining of the space behind the nose (nasal cavity) or the nearby air cavities (paranasal sinuses). It sometimes spreads to lymph nodes and rarely to other parts of the body.

This heightened activity can cause the nodes to enlarge and sometimes become tender to the touch—particularly those in the neck and behind the ears, which filter drainage from the sinuses and ...

This causes inflammation (swelling) in the sinuses, nasal passages, and airways. This inflammation can also affect your lymph nodes, causing them to become larger or tender. In some cases ...

ABSTRACT: Rosai Dorfman disease (RDD) is a rare histiocytic proliferative disorder of unknown pathogenesis that had been originally described in lymph nodes, but was found to occur in different ...

ABSTRACT: Rosai Dorfman disease (RDD) is a rare histiocytic proliferative disorder of unknown pathogenesis that had been originally described in lymph nodes, but was found to occur in different ...

For example, in the: mouth which includes the tongue, palate, gums and lips throat (the pharynx) which is divided into the nasopharynx, oropharynx and hypopharynx nose and sinuses (air-filled ... to ...

Sinus pressure happens when there's painful inflammation, fluid buildup, or congestion in open space behind the face. Depending on the underlying cause, you may find relief by trying self ...

A bacterial sinus infection, or sinusitis, will usually resolve by itself. In rare cases, untreated sinusitis may spread and cause serious complications. The vast majority of sinus infections are ...

Minimizing atrial pacing does not alter the risk of atrial fibrillation (AF) associated with sinus node dysfunction (SND), suggest results of a trial that randomly assigned patients with SND who ...

The overall structure of the lymph node is of multiple lobules surrounded by sinuses filled with lymph. All of this is enclosed within a capsule. Within the lymph nodes, in a specialized stroma ...

The popliteal lymph nodes lie in the tissues behind a person’s knee. Many conditions can cause them to swell, such as infections and autoimmune conditions. It is rare for cancer to affect the ...