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Corns and Calluses

Sangili Chandran, MD and Valerie Rygiel, DO Reviewed 06/2018
 


BASICS

DESCRIPTION

  • A callus (tyloma) is a diffuse area of hyperkeratosis, usually without a distinct border.

    • Typically, the result of exposure to repetitive forces, including friction and mechanical p...

DIAGNOSIS

  • Most commonly a clinical diagnosis based on visualization of the lesion

  • Examination of footwear may also provide clues.

HISTORY

  • Careful history can usually pinpoint cause.

  • Ask about neurologic a...

TREATMENT

GENERAL MEASURES

  • Most therapy for corns and calluses can be done as self-care in the home (1).

  • Use bandages, soft foam padding, or silicone sleeve over the affected area to decrease friction o...

ONGOING CARE

PATIENT EDUCATION

REFERENCES

1
1 Freeman DB. Corns and calluses resulting from mechanical hyperkeratosis. Am Fam Physician.  2002;65(11):2277–2280. {L-End} {L-End} [View Abstract on OvidMedline]
2
2 Pinzur MS, Slo...

ADDITIONAL READING

  • American College of Foot and Ankle Surgeons: http://www.acfas.org/

  • Theodosat A. Skin diseases of the lower extremities in the elderly. Dermatol Clin.  2004;22(1):13–21. {L-End} ...

CODES

ICD10

L84 Corns and callosities 

ICD9

700 Corns and callosities 

SNOMED

  • 201038005 Corn - lesion (disorder)

  • 201040000 Callosity (disorder)

  • 201037000 Corns and callus

  • 394999002 Callosity on hand (disorder...

CLINICAL PEARLS

Most therapy for corns and calluses can be done as self-care in the home using padding over the affected area to decrease friction or pressure. However, if simple home care is not help...

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