A pustule is defined as:

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Study for the History and Physical (Handamp;P) Exam 1. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

A pustule is defined as:

Explanation:
Pustule is defined by its content: a superficial, elevated lesion that contains pus. The purulent material is the key feature, reflecting neutrophilic inflammation in the epidermis or hair follicle. Because it’s pus-filled, this lesion is distinct from a vesicle or bullae, which hold clear or serous fluid, and from a plaque, which is a flat-topped, thickened elevation usually larger in size. In practice, pustules are typically small for judging purposes, often just a few millimeters to a centimeter, whereas vesicles remain fluid-filled up to about 5 mm and bullae are larger.

Pustule is defined by its content: a superficial, elevated lesion that contains pus. The purulent material is the key feature, reflecting neutrophilic inflammation in the epidermis or hair follicle. Because it’s pus-filled, this lesion is distinct from a vesicle or bullae, which hold clear or serous fluid, and from a plaque, which is a flat-topped, thickened elevation usually larger in size. In practice, pustules are typically small for judging purposes, often just a few millimeters to a centimeter, whereas vesicles remain fluid-filled up to about 5 mm and bullae are larger.

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