Nagayama's spots
Nagayama's Spots
Nagayama's spots (pronunciation: Na-ga-ya-ma's spots) are a clinical sign of certain infectious diseases, specifically Hand, Foot, and Mouth Disease (HFMD). They are named after the Japanese pediatrician, Dr. Yutaka Nagayama, who first described them in 1972.
Etymology
The term "Nagayama's spots" is derived from the name of Dr. Yutaka Nagayama, a Japanese pediatrician who first identified these spots as a distinct clinical feature of HFMD in 1972.
Description
Nagayama's spots are red papules found on the tonsillar pillars, soft palate, and/or uvula. They are typically observed in patients with HFMD, a common infectious disease caused by a group of enteroviruses, including Coxsackievirus A16 and Enterovirus 71.
Clinical Significance
The presence of Nagayama's spots can aid in the clinical diagnosis of HFMD. They are considered a pathognomonic sign of the disease, meaning they are characteristic enough to confirm a diagnosis on their own. However, they are not always present in every case of HFMD, and their absence does not rule out the disease.
Related Terms
- Hand, Foot, and Mouth Disease: A common infectious disease caused by a group of enteroviruses. It is characterized by fever, sore throat, and a rash on the hands, feet, and inside the mouth.
- Coxsackievirus A16: One of the viruses that commonly causes HFMD.
- Enterovirus 71: Another virus that can cause HFMD. It is often associated with more severe cases of the disease.
See Also
- Herpangina: A condition that can cause similar symptoms to HFMD, but is typically caused by different viruses.
- Vesicular Stomatitis: A viral disease that can cause similar symptoms to HFMD, but typically affects animals.
External links
- Medical encyclopedia article on Nagayama's spots
- Wikipedia's article - Nagayama's spots
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