What is the most common clinical presentation of natural tularemia infection?

What is the most common clinical presentation of natural tularemia infection?

• A. Oculoglandular
• B. Ulceroglandular
• C. Pneumonic
• D. Typhoidal

Answer: (B)

Natural tularemia most often shows up as an ulceroglandular form, which happens after the organism enters through the skin or mucous membranes—commonly from handling an infected animal or a tick bite. The key feature is a painful skin ulcer at the entry site with tender regional lymphadenopathy in the draining lymph node area. This localized ulcer with swollen nodes is the pattern you’ll see most frequently in naturally acquired cases. Other forms exist: oculoglandular involves the eye with conjunctival involvement and nearby lymph nodes; pneumonic results from inhalation and presents with cough or pneumonia; and typhoidal is a systemic illness without a prominent focal lesion. Since skin inoculation is the typical natural exposure, the ulceroglandular presentation is the most common.

Natural tularemia most often shows up as an ulceroglandular form, which happens after the organism enters through the skin or mucous membranes—commonly from handling an infected animal or a tick bite. The key feature is a painful skin ulcer at the entry site with tender regional lymphadenopathy in the draining lymph node area. This localized ulcer with swollen nodes is the pattern you’ll see most frequently in naturally acquired cases. Other forms exist: oculoglandular involves the eye with conjunctival involvement and nearby lymph nodes; pneumonic results from inhalation and presents with cough or pneumonia; and typhoidal is a systemic illness without a prominent focal lesion. Since skin inoculation is the typical natural exposure, the ulceroglandular presentation is the most common.