Porrigo larvalis is a term used in dermatology to refer to a type of skin infection caused by the larvae of the human botfly. Its spelling is based on the Latin language and is pronounced /pəˈraɪɡoʊ lɑrˈveɪlɪs/ using the International Phonetic Alphabet. The term consists of two parts where "porrigo" refers to a scaly skin eruption, and "larvalis" means "of, pertaining to, or resembling larvae". This spelling accurately reflects the medical condition's nature, origin, and symptoms.
Porriego larvalis is a medical term derived from Latin that refers to a specific condition involving parasitic infection primarily seen in the human scalp. It is commonly known as "larval ringworm" or "tinea capitis".
The condition, porrigo larvalis, is caused by various types of fungi known as dermatophytes, particularly Trichophyton and Microsporum species. These fungi thrive in warm and humid environments and can be transmitted through direct contact with an infected person, or indirectly through contact with contaminated objects such as combs, pillows, or caps.
The symptoms of porrigo larvalis include the formation of circular or irregular patches on the scalp, accompanied by intense itching and inflammation. These patches often have scaly borders with areas of hair loss and broken hair shafts, giving a characteristic appearance of a "ring". Infected individuals may also experience tender or swollen lymph nodes in the neck.
Prompt diagnosis and treatment of porrigo larvalis are essential to prevent its spread and the development of complications. Typically, antifungal medications are prescribed, either in the form of oral tablets or topical creams. In advanced or severe cases, oral antifungal medications may be required for an extended period. Additionally, maintaining good personal hygiene practices and avoiding sharing personal items can help reduce the risk of contracting the infection.
Overall, porrigo larvalis is a fungal infection of the scalp characterized by circular patches with associated symptoms of itching and inflammation. It is crucial to seek medical attention promptly to effectively manage and control the condition.
Eczema of the scalp.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "porrigo larvalis" is from Latin. Here is the etymology breakdown:
1. Porrigo: In Latin, "porrigo" means "an eruption or scabby disease of the skin".
2. Larvalis: In Latin, "larvalis" means "pertaining to larvae".
When combined, "porrigo larvalis" refers to a specific type of skin disease characterized by an eruption or scabby condition that resembles larvae.