TABLE 4-1 ■ Basic Types of Skin Lesions n i

Primary Lesions (May Arise From Previously Normal Skin)

Circumscribed, Flat, Nonpalpable Changes in Skin Color

Palpable Elevated Solid Masses

Macule—Small flat spot, up to 1.0 cm

Examples: freckle, petechia

Papule—Up to 1.0 cm. Example: an elevated nevus

Plaque—Elevated superficial lession 1.0 cm or larger, often formed by coalescence of papules

Nodule—Marble-like lesion larger than 0.5 cm, often deeper and firmer than a papule

Wheal—-A somewhat irregular, relatively transient, superficial area of localized skin edema. Examples: mosquito bite, hive

Circumscribed Superficial Elevations of the Skin Formed by Free Fluid in a Cavity Within the Skin Layers

Vesicle—Up to 1.0 cm; filled with serous fluid. Example: herpes simplex

Bulla—1.0 cm or larger; filled with serous fluid. Example: 2nd-degree burn

Pustule—Filled with pus. Examples: acne, impetigo

Pregnancy Guide

Pregnancy Guide

A Beginner's Guide to Healthy Pregnancy. If you suspect, or know, that you are pregnant, we ho pe you have already visited your doctor. Presuming that you have confirmed your suspicions and that this is your first child, or that you wish to take better care of yourself d uring pregnancy than you did during your other pregnancies; you have come to the right place.

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