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A

[Abscess]
[Acne Conglobata]
[Acne Fulminans]
[Acne Neonatorum]
[Acne Rosacea]
[Acne, steroid]
[Acne Vulgaris]
[Actinic Keratosis]
[Actinic Prurigo]
[Actinic Purpura]
[Adenoma Sebaceum]
[Addison's Disease]
[Alopecia, androgenic]
[Alopecia Areata]
[Alopecia, stress-induced]
[Aphthous Stomatitis]
[Artecoll]
[ArteFill]
[Athlete's Foot]

B

[Basal Cell Carcinoma]
[Behcet's Disease]
[Birt-Hogg-Dubé Syndrome]
[Botox]
[Bowel-Associated Dermatosis Arthritis Syndrome]
[Bowen's Disease]
[Bullous Pemphigoid]

C

[Calcium Hydroxylapatite]
[Candidiasis, cutaneous]
[Candidiasis, oral]
[Carcinoid Syndrome]
[Cellulitis]
[Chicken Pox]
[Cicatricial Pemphigoid]
[Collagen, bovine]
[Colloid Millium]
[
Corn]
[Cryotherapy]
[
Cutis Rhomboidalis Nuchae]
[Cymetra]
[Cyst]

D

[Dermal Fillers]
[Dermalogen]
[Dermatitis]
[Dermatitis, atopic]
[Dermatitis, contact]
[Dermatitis, nonspecific]
[Dermatitis, seborrheic]
[Dermatitis, stasis]
[Dermatitis Herpetiformis]
[Dermatofibroma]
[Dermatofibrosarcome Protuberans]
[Discoid Lupus Erythematosus]
[Disseminated Intravascular Coagulation]
[Drug Eruptions (Rash)]

E

[Eczema]
[Epidermal Inclusion Cyst]
[Ehler's-Danlos Syndrome]
[Epidermolysis Bullosa]
[Erythema Migrans]
[Erythema Multiforme]
[Erythema Nodosum]
[Erythroplasia of Queyrat]
[Exanthem, viral]

F

[Fascian]
[Favre-Racouchot Syndrome]
[Freckle]
[Folliculitis]
[Fungal Culture]
[Fungal Infections]
[Furuncle]

G

[Gestational Pemphigoid]
[Glomus Tumor]
[Granuloma Faciale]
[Granuloma Inguinale]

H

[Hair Loss]
[Hand, Foot, and Mouth Disease]
[Hemangioma]
[Herpangina]
[Herpes Simplex Virus]
[Herpes Zoster]
[Hives]
[Hidradenitis Suppurativa]
[Human Herpes Virus 8 (HHV-8)]
[Hyaluronic Acid]
[Hylaform]
[Hyperhidrosis]
[Hyperpigmentation]
[Hypopigmentation, postinflammatory]

I

[Impetigo]
[Impetigo, bullous]
[Incontinentia Pigmenti]
[Infantile Acropustulosis]
[Insect bite or sting]
[Intense Pulse Light]

J

[Juvéderm]

K

[Kaposi's Sarcoma]
[Keloid]
[Keratoacanthoma]
[Keratosis Pilaris]

L

[Laser]
[Laser, CO2]
[Laser, diode]
[Laser, Er:YAG, pulsed]
[Laser, excimer]
[Laser, Nd:YAG, pulsed]
[Laser, Nd:YAG, Q-switched]
[Laser, pulsed dye]
[Laser Hair Removal]
[Lentigo]
[Leukoplakia, oral]
[Lichen Planus]
[Lichen Simplex Chronicus]
[Linear IgA Bullous Disease]
[Lipoma]
[Lupus Erythematosus, discoid]
[Lupus Erythematosus, systemic]

M

[Melanoma]
[Melasma]
[Mesolis]
[Milia]
[Miliaria]
[Moh's Surgery]
[Molluscum Contagiosum]
[Morphea]
[Mucous Membrane Pemphigoid]
[Muir-Torre Syndrome]
[Mycosis Fungoides]
 

 

N

[Neonatal Acne]
[Neonatal Cephalic Pustulosis]
[Neurofibroma]
[Nevus]
[Nevus, dysplastic]
[New-Fill]
[Notalgia Paresthetica]

O

[Ochronosis]
[Onychomycosis]
[Oral Ulcer]

P

[Pachyonychia Congenita]
[Paget's Disease]
[Paronychia]
[Pemphigus Vulgaris]
[Photoaging]
[Photodermatoses]
[Photodynamic Therapy]
[Pityriasis Alba]
[Pityriasis Lichenoides et Varioliformis Acuta (PLEVA)]
[Pityriasis Lichenoides Chronica (PLC)]
[Pityriasis Rosea]
[Poikiloderma of Civatte]
[Polymorphous Light Eruption]
[Porokeratosis]
[Porphyria Cutanea Tarda]
[Postinflammatory Hyperpigementation]
[Postinflammatory Hypopigmentation]
[Psoralen + UVA (PUVA)]
[Psoriasis]
[Purpura]
[Purpura, actinic]
[Purpura, thrombocytopenic]
[PUVA]
[Pyoderma Gangrenosum]

R

[Radiesse]
[Relapsing Polychondritis]
[Restylane]
[Rhinophyma]
[Rosacea]

S

[SAPHO Syndrome]
[Sarcoidosis]
[Scabies]
[Schamberg's Disease]
[Schnitzler Syndrome]
[Scleroderma]
[Sculptra]
[Sebaceous Hyperplasia]
[Seborrheic Keratosis]
[Shingles]
[Skin Tag]
[Sneddon-Wilkinson Disease]
[Solar Elastosis]
[Squamous Cell Carcinoma]
[Steatocystoma]
[Stevens-Johnson Syndrome]
[Stewart-Treves Syndrome]
[Sweet's Syndrome]
[Syphilis, primary]
[Syphilis, secondary]
[Systemic Lupus Erythematosus (SLE)]

T

[Thrush]
[Tinea]
[Tinea Capitis]
[Tinea Corporis]
[Tinea Cruris]
[Tinea Faciale]
[Tinea Imbricata]
[Tinea Manuum]
[Tinea Pedis]
[Tinea Unguium]
[Tinea Versicolor]
[Thermage]
[Toxic Erythema]
[Trichotillomania]
[Tuberous Sclerosis]

U

[Ulcer, oral]
[Ulcer, skin]
[Urticaria]

V

[Varicella]
[Vasculitis]
[Viral Exanthem]
[Vitiligo]

W

[Wart]
[Wiskott-Aldrich Syndrome]

X

[Xanthoma]

Z

[Zyderm I]
[Zyderm II]
[Zyplast]
 


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Acne Conglobata

 

What is acne conglobata?

Acne conglobata is a severe form of cystic acne, typically involving the trunk more than the face. Nodules and cysts often coalesce forming abscesses, draining sinuses and ulcerations. Severe scars can form leading to disfigurement.  The cause is unknown, though it is occasionally associated with the XYY chromosomal abnormality. It has been reported as part of the genetic PAPA syndrome (pyogenic arthritis, pyoderma gangrenosum, and acne.) Exposure to androgens or anabolic steroids is occasionally implicated. Onset is typically following puberty, with new lesion formation continuing through the fourth decade of life.

With what can acne conglobata be confused?

Acne conglobata can be confused with acne fulminans, acne vulgaris, acne-like eruptions such as steroid acne, and occupational acne and exposures to halogens (halogenoderma) or dioxin. The fungal infection sporotrichosis has also been described in the differential diagnosis.

How is acne conglobata diagnosed?

Acne conglobata is diagnosed by history and physical exam.  A typical feature of the disease is open comedones (blackheads) that appear in pairs or clusters.

 

How is acne conglobata treated?

Acne conglobata is treated with oral isotretinoin (Accutane) as well as with the topical therapies described for acne vulgaris. Systemic steroid (prednisone) may also be helpful.  Oral antibiotics such as tetracycline or erythromycin may also be used.  Resistant cases may respond to dapsone. Large lesions can be injected with intralesional triamcinolone. Surgical intervention to remove large confluent nodules and sinus tracts is sometimes necessary.


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What is the prognosis for acne conglobata?

Acne conglobata can cause sever scarring and disfigurement and attendant psychological consequences. Treatment should be started as early as possible to prevent scarring and psychological consequences.


Image links

Other useful links

Acne Guide.ca: photo of acne conglobata Schwartz R. Acne Conglobata. e-medicine. March 26, 2008

 

Copyright Michael Ehrenreich, MD

www.dermatology.cc | www.goderm.com

 

Date created 05/24/2008

Last updated 05/24/2008