The popliteal lymph nodes lie in the tissues behind a person’s knee. Infections and autoimmune conditions can cause them to swell. It is rare for cancer to affect the popliteal lymph nodes. According ...
Rashes and swollen lymph nodes are two symptoms that can occur in a variety of conditions. Some causes include viral and bacterial infections, such as scarlet fever, shingles, or Lyme disease. Other ...
Internal shingles, or zoster sine herpete (ZSH), is a rare condition caused by the varicella-zoster virus (VZV) and presents with typical shingles symptoms but without the characteristic skin rash.