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Erythema Nodosum
1
Erythema Nodosum
Clinical Case
* Initially presents with flu like symptoms.
* Following this painful nodules appear.
* Most commonly found on shins
* Hot and firm at first, but become flat and fluculant after a 6-8 weeks.
* These symptoms often present alongside the symptoms of the underlying condition causing the erysthema nodosum.
* Can be either an isolated condition or one caused by an underlying condition.
* <50% of cases are idiopathic. But it is most likely a delayed hypersensitivity reaction to different antigens. (http://www.patient.co.uk/)
* Some of the underlying conditions include; Strep throat, Infectious mononucleosis and inflammatory bowel diseases. * It may also occur as a result of some cancers. (http://www.webmd.com/)
Symptoms
Causes
Introduction
- most common form of panniculitis
- 1cm to 6cm in diameter
- more common in women
- usually located on lower extremities and on both sides
Thomas Cho
Julie Honan
David Sheehan
References
- Creamer, D, Barker, J, Kerdel, F (2011). Acute Adult Dermatology Diagnosis and Management. London: Manson Publishing Ltd. p100-101.
- Erythema nodosum. 2015. Erythema nodosum. [ONLINE] Available at: http://www.huidziekten.nl/zakboek/dermatosen/etxt/ErythemaNodosum.htm. [Accessed 29 January 2015].
- Erythema Nodosum | Health | Patient.co.uk. 2015. Erythema Nodosum | Health | Patient.co.uk. [ONLINE] Available at: http://www.patient.co.uk/health/erythema-nodosum-leaflet. [Accessed 29 January 2015].
- Erythema Nodosum: Symptoms, Causes, Diagnosis, and Treatment. 2015. Erythema Nodosum: Symptoms, Causes, Diagnosis, and Treatment. [ONLINE] Available at: http://www.webmd.com/skin-problems-and-treatments/erythema-nodosum.
- Mana, J. & Marcoval, J. 2007, "Erythema nodosum", Clinics in dermatology, vol. 25, no. 3, pp. 288-294.
- Shiel Jr., W. (2014). Erythema Nodosum. Available: http://www.medicinenet.com/erythema_nodosum/page3.htm[Accessed 2nd February 2015].
- Wright, M. (2014). Erythema Nodosum. Available: http://www.patient.co.uk/health/erythema-nodosum-leaflet. [Accessed 2nd February 2015].
Prognosis
- self-heal within 6-8 weeks
- Idiopathic erythema nodosum can last for more than 6 months
- rare persistent or repeated erythema nodosum
- may be first sign of underlying condition
- often no treatment required
- may be painful
- other treatments or care possible
- treatment may change depending on the trigger
Treatment
Diagnosis
- visual evaluation
- biopsy if unsure
- small sample required
- other tests possible depending on the situation of the patient