Medical Terminology Simplified

Condition characterized by excessive growth of hair or presence of hair in unusual

places, especially in women

Hirsutism may be caused by hypersecretion of testosterone, or it may be due to an adrenal

neoplasm.

Bacterial skin infection characterized by isolated pustules that become crusted and

rupture

Autoimmune disease characterized by itchy red patches covered with silvery scales

(See Fig. 3–10.)

Psoriasis seems to be genetically determined and is typically a lifelong condition. Various

treatments help control symptoms, including topical treatments (lubricants, retinoids,

corticosteroids, and saltwater immersions) and systemic treatments (ultraviolet [UV]

light therapy and excimer light therapy).

Contagious skin disease transmitted by the itch mite

Area of pathologically altered tissue caused by disease, injury, or a wound due to ex-

ternal factors or internal disease

Evaluation of skin lesions, injuries, or changes to tissue helps establish the diagnosis of

skin disorders. Lesions are described as primary or secondary. (See Fig. 3–11.)

Skin lesion caused directly by a disease process

A primary lesion is the initial reaction to pathologically altered tissue and may be flat or

elevated.

Skin lesion that evolves from a primary lesion or that is caused by external forces,

such as infection, scratching, trauma, or the healing process

Additional Medical Terms • CHAPTER 3 87

hirsutism

HŬR-sūt-ĭzm

impetigo

ĭm-pĕ-TĪ-gō

psoriasis

sō-RĪ-ă-sĭs

Figure 3-10 Psoriasis. From Goldsmith, Lazarus, and Tharp: Adult and

Pediatric Dermatology: A Color Guide to Diagnosis and Treatment. F. A.

Davis, Philadelphia, 1997, p 258, with permission.

scabies

SKĀ-bēz

skin lesion

LĒ-zhŭn

primary lesion

secondary lesion