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Chapter 11: Tinea Corporis

INTRODUCTION

KEY POINTS

  • Tinea corporis can present with patches and plaques that may coalesce, and that are most commonly on the trunk and upper and lower extremities.

  • In lighter skin, these patches and plaques are often pink to red in color and can have central pallor and a collarette of leading scale.

  • In darker skin, these patches are also scaly and tend to be pink-brown to violaceous or gray in color. In some cases, the scale may be thick enough to obscure the underlying erythema or dyspigmentation.

  • Resolving tinea corporis may also display areas of hyper- or hypopigmentation.

image

FIGURE 11-1.

Bright-red, ill-defined excoriated patches on the buttocks of a light-skinned person who had been using topical steroids on the area, leading to tinea incognito. (Reproduced with permission from Wolff K, Johnson RA, Saavedra AP, et al. Fitzpatrick’s Color Atlas and Synopsis of Clinical Dermatology, 8th ed. New York, NY: McGraw Hill; 2017, Figure 26-37.)

A patient with light colored skin with Bright red, indistinct patches spread across the buttocks. Some crusts are visible.
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FIGURE 11-2.

Large, silver, scaly patches diffusely located on the lateral trunk, lower back, and buttocks. Note the lack of erythema in this person with active disease. (From Usatine RP, Smith MA, Mayeaux EJ Jr, et al. The Color Atlas and Synopsis of Family Medicine, 3rd ed. New York, NY: McGraw Hill; 2019, Figure 144-3. Reproduced with permission from Richard P. Usatine, MD.)

A photo shows a large patch of silvery white skin, spread in both buttocks and extending into the lower abdomen.
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FIGURE 11-3.

Numerous scattered, pink, nummular plaques with trailing scale and central clearing on the anterior neck and chest. (Reproduced with permission from Prose NS, Kristal L. Weinberg’s Color Atlas of Pediatric Dermatology, 5th ed. New York, NY: McGraw Hill; 2017, Figure 6-5.)

A patient with many annular plaques scattered on the upper to mid trunk and neck. The plaque margins are dark pink and the central regions are light pink to skin colored. Scale is located along the borders of some plaques.
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FIGURE 11-4.

Large, nummular, violaceous, scaly patches with overlying excoriations located on that abdomen of a dark-skinned person. (From Usatine RP, Smith MA, Mayeaux EJ Jr, et al. The Color Atlas and Synopsis of Family Medicine, 3rd ed. New York, NY: McGraw Hill; 2019, Figure 215-5. Reproduced with permission from Richard P. Usatine, MD.)

Large, purple, circular patches are seen on the abdomen of a dark-skinned person. The patches have grey to white scales and pink spots.
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FIGURE 11-5.

Large, annular, arcuate violaceous, and dark-brown patches and plaques with trailing scale located on the lateral trunk and posterior upper extremity. (From Burgin S: Guidebook to Dermatologic Diagnosis, New York, NY: McGraw Hill; 2021, Figure 6-35. Reproduced with permission from the Ronald O. Perelman Department of Dermatology, NYU School of Medicine, NYU Langone Medical Center, NY.)

A photo of the back of a patient with florid tinea corpis. Two big patches of red annular plaques enclose several arcuate plaques with white, scaly borders.
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FIGURE 11-6.

Large pink-brown patch with central clearing on the posterior trunk. (From Usatine RP, Smith MA, Mayeaux EJ Jr, et al. The Color Atlas and Synopsis of Family Medicine, 3rd ed. New York, NY: McGraw Hill; 2019, Figure 144-4. Reproduced with permission from ...

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