Kyrle's disease L87.0

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 15.03.2023

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Synonym(s)

Cyrle disease; Hyperkeratosis Cyrle; hyperkeratosis penetrans; Kyrle's disease; Kyrle Syndrome; M. Kyrle

History
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Kyrle, 1916

Definition
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Very rare, generalized disease (Omin: 149500) characterized by follicular and perifollicular (?) papules with firmly attached horny deposits. The existence of the disease is disputed by several authors.

Etiopathogenesis
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In elderly patients, associations with diabetes mellitus and chronic renal insufficiency have been described, as well as triggering by dialysis (Detmar M et al. 1990). However, these cases are probably attributable to"reactive perforating collagenosis"!

Manifestation
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First manifestation in childhood or younger adulthood. Gynecotropy(?).

Localization
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Especially on the flexor sides of the lower legs and on the buttocks. Hands, feet and hairy head remain free. Generalized forms, which also affect the trunk, indicate internal concomitant diseases.

Clinical features
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Asymptomatic, isolated, occasionally grouped, follicular, yellowish to brownish red, sometimes verrucous horny nodules. Confluence to larger polycyclic hyperkeratotic plaques is described (also in the original 1916 publication by J. Kyrle). The horny plaques can be detached, leaving a bowl-shaped loss of substance with an oozing and slightly bleeding base (description from the original publication). Healing with superficial pigmented scars. No itching. Koebner's phenomenon is negative.

Histology
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Invaginated epithelial plug with formation of a crater filled with parakeratotic horn masses. Focal perforation of the epidermis with focal, inflammatory reaction of the dermis with lymphocytes, neutrophilic granulocytes and a few giant cells of the foreign body type.

External therapy
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Internal therapy
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A proven effective therapy is not known: an experiment with acitretin (neotigason) can be performed, first for about 6 weeks in high doses of 0.5-1 mg/kg bw/day, then reduction to maintenance dose of 0.25-0.5 mg/kg bw/day. Successful therapy attempts with allopurinol (e.g. Zyloric) are described on the basis of casuistics (level of evidence IV).

Operative therapie
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Possibly curettage or excision of the herd. Try cryosurgery.

Progression/forecast
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Chronic progressive course. Healing with scarring.

Literature
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  1. Ataseven A et al (2014) Kyrle's disease. BMJ Case Rep doi: 10.1136/bcr-2013-009905.
  2. Cunningham MB et al (1987) Kyrle`s disease. J Am Acad Dermatol 16: 117-123.
  3. Detmar M et al (1990) Kyrle disease in juvenile diabetes mellitus and chronic renal failure. Z Hautkr 65: 53-61
  4. Dharmadji HP et al (2022) Generalized lesions of Kyrle's disease: A rare case. Int Med Case Rep J 15:187-191.
  5. Iyoda M et al (2003) Acquired reactive perforating collagenosis in a nondiabetic hemodialysis patient: successful treatment with allopurinol. Am J Kidney Dis 42: E11-13.
  6. Kawakami T et al.(2020) Guideline: Clinical practice guide for the treatment of perforating dermatosis doi.org/10.1111/1346-8138.15647
  7. Kruger K et al (1999) Acquired reactive perforating dermatosis. Successful treatment with allopurinol in 2 cases. Dermatologist 50: 115-120
  8. Kyrle J (1916) On an unusual case of universal follicular and parafollicular hyperkeratosis (Hyperkeratosis follicularis et parafollicularis in cutem penetrans). Arch Derm Syph 123: 466-493
  9. Rallis E et al (2014) Squamous cell carcinoma developed on Kyrle's disease scar. J BUON 19:317-318
  10. Schreml S et al (2011) Kyrle disease and acquired perforating collagenosis secondary to chronic renal failure and diabetes mellitus. Case Rep Dermatol 3:209-211.

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 15.03.2023