Alopecia: absence of hair from areas where it normally grows
Anagen phase: growing hairs, 90% scalp hair follicles at any time, lasts 2 to 6 years
Catagen phase: regression of follicle...
Description of hair loss problem: rate of loss, duration, location, degree of hair loss, other symptoms including pruritus,...
Consider potential harms and benefits to the patient prior to treatment. Many will gain an improved quality of life that is of benefit (2)[A].
Stop any possible medication ca...
Androgenic alopecia: Prognosis depends on r...
Hyperthyroidism; Lichen Planus; Lupus Erythematosus, Systemic (SLE); Polycystic Ovarian Syndrome (PCOS); Syphilis; Tinea (Capitis, Corporis, Cruris)
Algorithm: Alopecia
L65.9 Nonscarring hair loss, unspecified
L64.9 Androgenic alopecia, unspecified
L63.9 Alopecia areata, unspecified
L63.0 Alopecia (capitis) totalis
L63.1 Alopecia universalis
L64.8 Other androge...
History and physical are necessary in determining type of alopecia for appropriate treatment.
Treatment of underlying medical condition or removal of triggering medication will often re...
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Traction alopecia: black patient, corn-row hairstyle
Ulerythema ophryogenes: eyebrow inflammation and alopecia
Figure 10.68. Madarosis, poliosis, alopecia areata, and trichotillomania. B: The patient's scalp shows areas of patchy alopecia and whitening of the remaining hair. The patient had previously undergone treatments for alopecia areata with intralesional corticosteroid injections without success. Metabolic evaluation revealed undiagnosed primary hypothyroidism.
Figure 10.68. Madarosis, poliosis, alopecia areata, and trichotillomania. B: The patient's scalp shows areas of patchy alopecia and whiten...
FIG. 6.20. Tinea capitis. Tinea capitis may cause a variety of lesions (A, B), of which a kerion (C-E) is the most dramatic. As pictured here, kerions are elevated, boggy, exudative, and frequently covered by matted hair.
FIG. 6.20. Tinea capitis. Tinea capitis may cause a variety of lesions (A, B), of which a kerion (C-E) is the most dramatic. As pictured h...
Male pattern balding.
Figure 136.1. (See also Color Figure 136.1.) Tinea capitis. C <bold>A:</bold> Multiple scaly alopecic plaques. <bold>B:</bold> Black-dot tinea capitis. <bold>C:</bold> Kerion with visibly enlarged postauricular lymph node.
Figure 136.1. (See also Color Figure 136.1.) Tinea capitis. C <bold>A:</bold> Multiple scaly alopecic plaques. <bold>B:...
<bold>Figure 6-1</bold> Tinea capitis.
Frontal fibrosing alopecia: female
<bold>John D. Rockefeller, Sr.</bold> This 1904 portrait shows the complete loss of scalp hair, eyebrows, and eyelashes that are characteristic of alopecia universalis. Courtesy of the Rockefeller Archive Center.
<bold>John D. Rockefeller, Sr.</bold> This 1904 portrait shows the complete loss of scalp hair, eyebrows, and eyelashes that a...
The patient's scalp shows areas of patchy alopecia and whitening of the remaining hair. The patient had previously undergone treatments for alopecia areata with intralesional corticosteroid injections without success. Metabolic evaluation revealed undiagnosed primary hyperthyroidism.
The patient's scalp shows areas of patchy alopecia and whitening of the remaining hair. The patient had previously undergone treatments fo...
Hair loss seen in a 34-year-old woman at 3 months after the onset of Vogt-Koyanagi-Harada syndrome.
Hair Follicles in Baldness Unlabeled
Hair Follicles in Baldness Labeled
Human Hair. Baldness
Alopecia totalis
Discoid lupus - Scarring alopecia with scale in a woman with discoid lupus
Alopecia areata - sharp & focal non-scarring scalp hair loss i
Alopecia areata - sharp & focal non-scarring scalp hair loss in a young woman
10.1 Male-pattern alopecia. This is characterized by an M-shaped pattern of hair loss on the front and vertex of the head.
From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009.
From Goodheart HP...
10.10 Trichotillomania. This condition is seen most often in young girls. Hairs tend to be broken at different lengths. The areas of alopecia are not completely devoid of hair.
10.10 Trichotillomania. This condition is seen most often in young girls. Hairs tend to be broken at different lengths. The areas of alopec...
10.12 Anagen effluvium. This patient's alopecia resulted from chemotherapy for lung cancer. Her hair loss was diffuse, and her hair is now regrowing.
10.12 Anagen effluvium. This patient's alopecia resulted from chemotherapy for lung cancer. Her hair loss was diffuse, and her hair is now ...
10.16 Traction alopecia. A: This woman's alopecia is the result of the use of tight curlers. Note the symmetric loss of hair in a frontotemporal distribution and the “relaxed” curl that was chemically straightened. B: Note the fringe of residual hairs at the distal margin of alopecia. These hairs were too short to be “grabbed” by the hair curlers.
10.16 Traction alopecia. A: This woman's alopecia is the result of the use of tight curlers. Note the symmetric loss of hair in a frontotem...
10.21 Acne keloidalis and scalp folliculitis. Here the problem extends to the adjacent scalp.
From Goodheart HP. Goodheart's Photoguide to C...
10.3 Female-pattern alopecia. The characteristic “widened part” in a “Christmas-tree” pattern toward the vertex is seen in this patient.
Fro...
10.4 Alopecia areata. The hair is lost in a round patch. Note the absence of scales or inflammation.
From Goodheart HP. Goodheart's Photogui...
10.6 Alopecia areata. This man's AA is limited to his beard.
From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis a...
10.7 Alopecia areata, alopecia universalis. This patient has lost all of his hair. He has no eyelashes, intranasal hair, pubic hair, or axillary hair; he also has no hair on his extremities.
10.7 Alopecia areata, alopecia universalis. This patient has lost all of his hair. He has no eyelashes, intranasal hair, pubic hair, or axi...
7.17 Alopecia areata. This child has smooth, well-demarcated, noninflammatory, asymptomatic patches of alopecia.
From Goodheart HP. Goodhear...
Alopecia
FIG. 6.30. Alopecia areata is an idiopathic disorder causing noncicatricial hair loss. The lesions may be localized (A), patchy (B), diffuse (C), or occasionally universal.
FIG. 6.30. Alopecia areata is an idiopathic disorder causing noncicatricial hair loss. The lesions may be localized (A), patchy (B), diffus...
FIG. 26.5. Traumatic alopecia. (From Reece RM, Ludwig S. Child abuse: medical diagnosis and management, 2nd ed. Philadelphia: Lippincott Williams & Wilkins, 2001:29, with permission.)
FIG. 26.5. Traumatic alopecia. (From Reece RM, Ludwig S. Child abuse: medical diagnosis and management, 2nd ed. Philadelphia: Lippincott Wi...
<bold>Figure 5-4</bold> Alopecia areata. (Courtesy of George A. Datto, III, MD.)
<bold>Figure 5-5</bold> Traction alopecia. Alopecia where traction has been applied in association with hair brading. (Courtesy of Carrie Ann Cusack, MD.)
<bold>Figure 5-5</bold> Traction alopecia. Alopecia where traction has been applied in association with hair brading. (Courtesy...
<bold><italic>Figure 24-4</bold> Alopecia areata.</bold>