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Cutaneous ChondromaD23.9

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 23.07.2025

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Synonym(s)

Chondroblastoma

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DefinitionThis section has been translated automatically.

Chondroma is a very rare benign cartilage tumor that is evenly composed of cartilage tissue. It occurs predominantly as an intraosseous tumor (enchodroma). Cutaneous chondroma is a very rare, benign tumor of cartilage tissue with no connection to the bone. See also Chondroma cysticum, see also Chondroma myxomatodes.

Occurrence/EpidemiologyThis section has been translated automatically.

In adults between the ages of 30 and 60.

EtiopathogenesisThis section has been translated automatically.

Hereditary predisposition (a connection with the incomplete expression of the gene for tuberous sclerosis was suspected/Wang S et al. 2025). Trauma is also cited as a trigger factor.

LocalizationThis section has been translated automatically.

Fingers, more rarely on hands and feet, tongue, auricles (see illustration), nose.

ClinicThis section has been translated automatically.

Clinically, it is a circumscribed, rock-hard growth in the subcutaneous adipose tissue.

HistologyThis section has been translated automatically.

Lobularly articulated, encapsulated tumour nodes of mature chondrocytes arranged in nests, with small cell kerenes. Necrosis and calcification are not uncommon.

Differential diagnosisThis section has been translated automatically.

Dermatofibroma

Cartilaginous exostosis

Mixed tumor of the skin

Dermoid cyst.

TherapyThis section has been translated automatically.

Excision.

Progression/forecastThis section has been translated automatically.

Favourable, rarely malignant degeneration (secondary chondrosarcoma).

LiteratureThis section has been translated automatically.

  1. Ando K et al. (1996) Cutaneous cartilaginous tumor. Dermatol Surg 21:339-341.
  2. Batalla A et al. (2015) True cutaneous chondroma: a case report. J Cutan Pathol 42:657-659.
  3. Dimitrijevic MVet al. (2019) Chondroma of the Tongue. J Craniofac Surg 30:e315-e317.
  4. Gungor Set al. (2013) Soft tissue chondroma of the index finger: clinical, histological and radiological findings in a unique case. Dermatol Online J 19:18176.
  5. Kwon H et al (2010) Extraskeletal chondroma in the auricle. J Craniofac Surg 21:1990-1991
  6. Shinojima Y et al. (2006) Cutaneous chondroma with overlying pigmentation clinically mimicking dermatofibroma. Br J Dermatol 154:178-81. PubMed PMID: 16403116.
  7. Wang S et al. (2025) A firm nodule on the nasal tip. J Dtsch Dermatol Ges 23:397-399.

Authors

Last updated on: 23.07.2025

Author: Prof. Dr. med. Peter Altmeyer