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A thorough history and examination are crucial for diagnosing skin diseases, which affect up to a third of people. This includes details about skin lesions, medication, general health, lifestyle, family, and contacts, as well as examining the rash, hair, nails, and mucous membranes. Changes in hair and nails can also indicate other medical and skin disorders.

Dermoscopy has greatly improved the diagnosis of skin lesions and our understanding of their morphology and biology.

The document discusses various diseases of the outer ear, categorized by symptoms like redness, crusts, bumps, pus-filled lesions, lumps, ulcers, and hair loss.

Lichen Planus is a less common condition affecting skin and mucous membranes, with various types and associated risk factors, challenging to diagnose, significantly impacts life quality, and may have a risk of cancerous changes in oral lesions.

Some patients with mycosis fungoides or Sézary syndrome experience hair loss, which may be similar to alopecia areata or linked to skin lesions, possibly due to abnormal T cells, and bexarotene can help treat it.

Trichoscopy is a useful tool for diagnosing and managing hair and scalp conditions, often better than traditional methods.

Scarring alopecia, a type of hair loss, is most common in females under 35, often caused by discoid lupus erythematosus and pseudopelade of Brocq. Skin punch biopsy and histopathology are key to identifying its cause.

Some hair loss disorders cause permanent loss due to scarring, and treatments like steroids don't always work well.

Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.

Trichoscopy is a quick, noninvasive method to diagnose hair and scalp disorders, often reducing the need for biopsies.

Hair loss is common in lupus patients and can be permanent or reversible, depending on the type, with various treatments available.

The document concludes that primary scarring alopecias cause permanent hair loss, have unpredictable outcomes, and lack definitive treatments, requiring personalized care.

A woman with both TLE and SLE improved with hydroxychloroquine treatment.

The document suggests that severe hair loss in SLE patients may be an early sign of scalp DLE, treatable with immunosuppressive therapy.

Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.

Most patients with cutaneous lupus erythematosus in Bangladesh are young women, with chronic forms and photosensitivity being common.

Lupus Panniculitis can be an early sign of Systemic Lupus Erythematosus.

Dermoscopy helps diagnose different hair loss conditions, and characteristics vary among ethnicities and individual cases.

Trichoscopy is a useful tool for diagnosing different hair and scalp diseases by their unique visual features.

The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.

Iranian veterans exposed to sulfur mustard suffer from long-term skin itching and eye damage, with some risk of skin cancer and ongoing management challenges.

Trichoscopy is a quick, cost-effective tool for diagnosing different hair loss conditions.

Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.

Scarring alopecias are complex hair loss disorders that require early treatment to prevent permanent hair loss.

Smoking harms skin health, causing slower wound healing, more wrinkles, and worsening some skin conditions, but may protect against certain others.

Pseudopelade of Brocq is a unique hair loss condition, but its cause and development are still not fully understood.

Trichoscopy is a useful method for identifying primary cicatricial alopecias and their specific types.

Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.

Chinese patients with primary cicatricial alopecia often have folliculitis decalvans, benefit from treatment, but may experience relapse, with dermoscopy being a useful diagnostic tool.

Most hair loss can be diagnosed with patient history and physical exam, and a few common types make up most cases.