Proliferating trichilemmal cyst
- Type
- Disease
- Group
- Disorder
- Age of onset
- Adult
- Status
- active
A rare large, multinodular, usually benign, tumor that is generally located in the posterior part of the scalp in aged women (over 50 years). It first appears as a painless nodule that later grows into a solid or partially cystic tumor that is mobile over the underlying subcutaneous tissues. It can present ulceration, inflammation or even bleeding and can cause necrosis of the adjacent tissues.
Names in Orphadata languages
12 of 12 languages| Lang | Name | Synonyms |
|---|---|---|
| en | Proliferating trichilemmal cyst | |
| fr | Kyste trichilemmal proliférant | |
| de | Trichilemmalzyste, proliferierende | |
| es | Quiste triquilemal proliferante | |
| it | Cisti trichilemmale proliferativa | |
| nl | Prolifererende trichilemmale cyste | |
| pt | Quisto triquilémico proliferativo | |
| pl | Torbiel włosowa proliferująca | |
| cs | Proliferující trichilemální cysta | |
| uk | Проліферуюча трихілемальна кіста | |
| zh | 增生性毛根鞘囊肿 | |
| tr | Çoğalan trikilemmal kist |
Definition in:
Cross-references
qualifier = Orphanet mapping relation| Source | Code | Qualifier | ICD relation | Validation |
|---|---|---|---|---|
| ICD-10 | L72.1 | NTBT | attributed | validated |
| ICD-11 | EK70.1 | E | specific | validated |
| ICD-11 | XH7WJ7 | E | specific | validated |
| MONDO | 0018850 | E | validated | |
| UMLS | C2959585 | E | validated | |
| GARD | 4509 | E | validated |
E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.
Classification
Preferential parent (Orphanet linearisation):
Parents in the classifications (1):
- ORPHA:79386Rare skin tumor or hamartoma
rare skin diseases; rare neoplastic diseases
No children.
Genes
0 directOrphanet records no gene directly on this code.
Prevalence and incidence
0 recordsNo prevalence record in this release.
HPO phenotypes
3 annotations · validated 2016-06-01| HPO | Term (as annotated by Orphanet) | Diagnostic |
|---|---|---|
| Very frequent (99-80%) | ||
| HP:0200040 | Epidermoid cyst | |
| HP:0200042 | Skin ulcer | |
| Frequent (79-30%) | ||
| HP:0002209 | Sparse scalp hair | |
Run the differential on the 2 obligate / very frequent terms
Sources for this card
- Orphanet page: orpha.net/en/disease/detail/492
- This record as JSON: /data/d/492.json