Porokeratosis
(Redirected from Linear porokeratosis)
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
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Porokeratosis | |
---|---|
Synonyms | |
Pronounce | N/A |
Specialty | N/A |
Symptoms | Skin lesions, itching, burning sensation |
Complications | Skin cancer |
Onset | Varies by type |
Duration | Chronic |
Types | N/A |
Causes | Genetic factors, sun exposure, immunosuppression |
Risks | Family history, immunosuppression, UV exposure |
Diagnosis | Clinical examination, skin biopsy |
Differential diagnosis | Actinic keratosis, basal cell carcinoma, squamous cell carcinoma |
Prevention | N/A |
Treatment | Cryotherapy, laser therapy, topical medications |
Medication | 5-fluorouracil, imiquimod, retinoids |
Prognosis | N/A |
Frequency | Rare |
Deaths | N/A |
Porokeratosis is a group of rare, chronic, genetic disorders of keratinization characterized by atrophic patches surrounded by a distinctive hyperkeratotic ridge-like border called a cornoid lamella.
Types
There are several types of porokeratosis, including:
- Porokeratosis of Mibelli
- Disseminated superficial actinic porokeratosis
- Linear porokeratosis
- Punctate porokeratosis
- Porokeratosis palmaris et plantaris disseminata
Symptoms
The symptoms of porokeratosis vary depending on the type, but may include:
- Small, ring-like spots
- Red, scaly patches
- Itching or burning sensation
- Painful cracks on the palms of the hands and soles of the feet
Causes
The exact cause of porokeratosis is unknown, but it is believed to be genetic. It may also be triggered by exposure to sunlight, immune system disorders, or skin injuries.
Diagnosis
Porokeratosis is diagnosed through a physical examination and a skin biopsy. The biopsy can reveal the characteristic cornoid lamella, which is a diagnostic feature of porokeratosis.
Treatment
Treatment for porokeratosis may include:
- Topical creams and ointments
- Cryotherapy
- Laser therapy
- Dermabrasion
Prognosis
The prognosis for porokeratosis varies depending on the type and severity of the condition. Some forms of porokeratosis may increase the risk of skin cancer.
See also
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Contributors: Prab R. Tumpati, MD