Synonym(s)
Benign lichenoid keratosis; (e) Benign lichenoid keratosis; (e) Lichenoid keratosis; (e) Lichen planus-like keratosis; Keratosis lichen-planus-like; lichenoid benign keratosis; Lichenoid Keratosis; Lichen planus-like keratosis
DefinitionThis section has been translated automatically.
Inflammatory variant of Verruca seborrhoica or Lentigo solaris with a dense lichenoid lymphoid cell infiltrate.
ManifestationThis section has been translated automatically.
First manifestation between the ages of 40 and 60. w:m=2:1;
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Clinical featuresThis section has been translated automatically.
Not very specific! The clinical aspect corresponds to that of a solitary"Lichen planus papule", an inflammatory irritated verruca seborrhoica or a superficial basal cell carcinoma.
HistologyThis section has been translated automatically.
Acanthosis, hypergranulose, orthohyperkeratosis with focal parakeratosis. Dense, band-shaped, subepidermal, lymphocytic and partly also plasmacellular infiltrate with signs of exocytosis are visible. The epithelium is loosened here, signs of vacuolar degeneration with numerous apoptotic keratinocytes are present. In contrast to the lichen planus, eosinophilic granulocytes are repeatedly encountered.
Differential diagnosisThis section has been translated automatically.
Histological: Keratosis actinica; Lichen planus
Note(s)This section has been translated automatically.
In this case, close cooperation between clinicians and histopathologists is important to clarify the discrepancy between clinical and histological findings.
LiteratureThis section has been translated automatically.
- Al-Hoqail IA et al (2002) Benign lichenoid keratoses with histologic features of mycosis fungoides: clinicopathologic description of a clinically significant histologic pattern. J Cutan catheter 29: 291-294
- Dalton SR et al (2003) Atypical junctional melanocytic proliferations in benign lichenoid keratosis. Hum Pathol 34: 706-709
- Elgart GW et al (2001) Seborrheic keratoses, solar lentigines, and lichenoid keratoses. Dermatoscopic features and correlation to histology and clinical signs. Dermatol Clin 19: 347-357
- Inui S et al (2000) A case of lichen planus-like keratosis: deposition of IgM in the basement membrane zone. J Dermatol 27: 615-617
- Jang KA et al (2000) Lichenoid keratosis: a clinicopathologic study of 17 patients. J Am Acad Dermatol 43: 511-516
- Schepis C et al (2003) The papulokeratotic type of solitary benign lichenoid keratosis. Int J Dermatol 42: 722-723
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Incoming links (3)
Keratosis lichenoid actinic; Keratosis, lichen-planus-like; Lichen planus-like keratosis;Outgoing links (5)
Actinic keratosis; Basal cell carcinoma superficial; Keratosis seborrhoeic (overview); Lentigo solaris; Lichen planus classic type;Disclaimer
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.
Prof. Dr. med. Peter Altmeyer