Summary
Definition
History and exam
Key diagnostic factors
- nodules on shins
- uveitis, red eyes, retinal nodules, or candle-wax drippings
- nodules on other skin areas
- anesthetic skin lesions
Other diagnostic factors
- joint pains
- fever
- diarrhea, constipation, abdominal pain, hematochezia
- enlarged spleen
- miliary nodules on the retina
Risk factors
- streptococcal infection
- sarcoidosis
- tuberculosis
- coccidioidomycosis
- histoplasmosis
- blastomycosis
- brucellosis
- Behcet disease
- oral contraceptives
- sulfonamides
- iodides and antiepileptic drugs
- psittacosis
- leprosy
- inflammatory bowel disease
- pregnancy
- malignancy
Diagnostic tests
1st tests to order
- CBC
- antistreptolysin-O titer
- chest x-ray
- tuberculin skin test, interferon gamma release assay
Tests to consider
- serum ACE level
- skin lesion biopsy
- coccidioidin skin test
- histoplasmin skin test
- lepromin skin test
- blastomycosis serology
- brucellosis serology
- psittacosis serology
- x-ray symptomatic joints
- rheumatoid factor testing
- Yersinia agglutination titer
- Yersinia stool cultures
- colonoscopy
- serum IgD
- deep punch biopsies including subcutaneous fat, or incisional biopsies
Treatment algorithm
mild to moderately severe symptoms
severe refractory symptoms
Colaboradores
Autores
Daniela Kroshinsky, MD, MPH

Associate Professor of Dermatology
Harvard Medical School
Director of Pediatric Dermatology
Director of Inpatient Dermatology
Massachusetts General Hospital
Boston
MA
Declarações
DK declares that she has no competing interests.
Agradecimentos
Dr Daniela Kroshinsky would like to gratefully acknowledge Dr Om P. Sharma, a previous contributor to this topic. Dr Kroshinsky would also like to thank Priyanka Vedak for her contribution to this topic. We would like to gratefully acknowledge the contribution of the late Elisabeth Higgins (Consultant Dermatologist, King’s College Hospital) for her peer review of this topic.
Declarações
OPS declared that he had no competing interests. PV declared that she had no competing interests. EH declared that she had no competing interests.
Revisores
Robert T. Brodell, MD
Professor of Internal Medicine
Clinical Professor of Dermatopathology
Northeastern Ohio Universities College of Medicine
Warren
Associate Clinical Professor of Dermatology
Case Western Reserve University School of Medicine
Cleveland
OH
Declarações
RTB declares that he has no competing interests.
Peer reviewer acknowledgements
BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.
Disclosures
Peer reviewer affiliations and disclosures pertain to the time of the review.
Referências
Principais artigos
Bondi EE, Margolis DJ, Lazarus ZS. Panniculitis. In: Freedberg I, Eisen A, Wolff K, et al, eds. Fitzpatrick's dermatology in general medicine. 5th ed. New York, NY: McGraw-Hill; 1999: 1284-6.
Requena L, Requena C. Erythema nodosum (review). Dermatol Online J. 2002 Jun;8(1):4. Resumo
Sterling JB, Heymann WR. Potassium iodide in dermatology: a 19th century drug for the 21st century-uses, pharmacology, adverse effects, and contraindications. J Am Acad Dermatol. 2000 Oct;43(4):691-7. Resumo
Friedman ES, LaNatra N, Stiller MJ. NSAIDs in dermatologic therapy: review and preview. J Cutan Med Surg. 2002 Sep-Oct;6(5):449-59. Resumo
Schultz E, Whiting D. Treatment of erythema nodosum and nodular vasculitis with potassium iodides. Br J Dermatol. 1976 Jan;94(1):75-8. Resumo
Artigos de referência
Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.
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