Skip to content - Acne Keloidalis Nuchae Acne keloidalis nuchae (AKN), also known as folliculitis keloidalis nuchae, is a chronic inflammatory condition that causes scarring hair loss (cicatricial alopecia) primarily affecting the nape of the neck and occipital scalp.
- Acne Vulgaris Acne vulgaris is a chronic inflammatory skin condition that affects the pilosebaceous units (hair follicles and their associated oil glands).
- Actinic Keratosis Actinic keratosis represents a premalignant cutaneous lesion characterized by dysplastic (abnormally developing) keratinocytes resulting from chronic ultraviolet radiation exposure.
- Alopecia Areata Alopecia areata is an autoimmune disorder in which the body's immune system mistakenly attacks hair follicles, resulting in non-scarring hair loss (alopecia without permanent damage to follicles).
- Angioedema
- Arterial Ulcer
- Atopic Dermatitis Eczema Atopic dermatitis, commonly known as eczema, is a chronic inflammatory skin condition characterized by intensely itchy, red, and inflamed skin patches that follow a relapsing-remitting course (periods of flares alternating with calm periods).
- Basal Cell Carcinoma Basal cell carcinoma represents the most common form of skin cancer worldwide, arising from the basal cells in the lowest layer of the epidermis (outer skin layer).
- Birthmarks Birthmarks are colored marks on the skin that are present at birth or develop shortly after (within the first few weeks of life).
- Bowen's Disease Bowen's disease is squamous cell carcinoma 'in situ,' meaning it is an early form of skin cancer confined to the outermost layer of skin (epidermis) that has not yet invaded deeper tissues.
- Brachioradial Pruritus
- Bullous Pemphigoid Bullous pemphigoid is the most common autoimmune blistering disease, where the body's immune system mistakenly attacks proteins that anchor the outer layer of skin (epidermis) to the underlying layer (dermis).
- Burns
- Café-au-lait Spots Café-au-lait spots (also called café-au-lait macules or CALMs) are flat, pigmented birthmarks that appear as light to dark brown patches on the skin, resembling the color of coffee with milk—hence their French name.
- Candidiasis
- Cellulitis Cellulitis is a common bacterial infection of the deeper layers of skin (dermis) and the tissue beneath (subcutaneous tissue).
- Chickenpox Varicella
- Cold Sores Herpes Labialis Cold sores, medically known as herpes labialis, are small, painful blisters that typically appear on or around the lips, caused by the herpes simplex virus type 1 (HSV-1).
- Condyloma Acuminata Genital Warts Condyloma acuminata, commonly known as genital warts, represents a sexually transmitted infection caused by specific strains of human papillomavirus (HPV), predominantly types 6 and 11.
- Contact Dermatitis Contact dermatitis is inflammation of the skin caused by direct contact with irritating substances or allergens.
- Cowden Syndrome Cowden syndrome (CS) is a rare inherited condition caused by a mutation in the PTEN gene, which normally helps control cell growth.
- Cutaneous Horn A cutaneous horn (cornu cutaneum) represents a unique dermatological manifestation characterized by a hard, conical projection of compact keratin (the protein that forms skin, hair, and nails) extending from the skin surface.
- Cutaneous Lymphoma Cutaneous lymphoma refers to a group of lymphomas (cancers of lymphocytes) that primarily involve the skin.
- Dermatofibroma
- Dermatofibrosarcoma Protuberans
- Dermatomyositis
- Diabetic Foot Ulcer
- Discoid Lupus Erythematosus Discoid lupus erythematosus (DLE) is a chronic autoimmune skin condition that causes inflamed, disc-shaped (round or oval) patches on the skin.
- Dissecting Cellulitis of the Scalp Dissecting cellulitis of the scalp (also called perifolliculitis capitis abscedens et suffodiens or Hoffmann disease) is a rare, chronic inflammatory disease of the scalp.
- Drug Eruptions
- Dyshidrotic Eczema
- Epidermoid Cyst An epidermoid cyst (also called epidermal inclusion cyst) represents the most common type of cutaneous cyst, appearing as a benign, encapsulated nodule beneath the skin surface.
- Erosive Lichen Planus
- Erysipelas Erysipelas represents a distinctive bacterial skin infection affecting the upper dermis and superficial lymphatic vessels, characterized by a raised, intensely red, and sharply demarcated skin lesion.
- Erythema Migrans Erythema migrans represents the characteristic skin manifestation of early Lyme disease, appearing as an expanding red rash at the site of an infected tick bite.
- Erythroplasia of Queyrat Erythroplasia of Queyrat is a form of squamous cell carcinoma in situ (a pre-invasive cancer confined to the epithelium) that occurs on the glans penis, prepuce (foreskin), or other mucosal surfaces of the male genitalia.
- Female Androgenetic Alopecia Female Pattern Hair Loss Female pattern hair loss, also known as androgenetic alopecia in women, is a genetically determined, progressive thinning of scalp hair that results from the miniaturization of hair follicles (conversion of thick terminal hairs to thin vellus hairs).
- Folliculitis Folliculitis represents an inflammatory condition affecting hair follicles, characterized by small red bumps or pustules (pus-filled bumps) that develop around hair follicles anywhere on the body.
- Fungal Skin Infections Dermatophytosis Fungal skin infections, medically termed dermatophytosis or tinea, represent superficial infections caused by dermatophytes—specialized fungi that invade and proliferate within keratinized tissues (skin, hair, and nails).
- Furuncle Boil A furuncle, commonly known as a boil, represents a deep bacterial infection of a hair follicle that extends through the dermis into subcutaneous tissue, forming a painful abscess.
- Granuloma Annulare Granuloma annulare represents a benign inflammatory dermatological condition characterized by the formation of papules (small raised bumps) and distinctive ring-shaped plaques in the skin.
- Henoch-Schönlein Purpura IgA Vasculitis
- Herpes Simplex
- Herpes Zoster Shingles Herpes zoster, commonly known as shingles, represents a painful vesicular eruption caused by reactivation of the varicella-zoster virus (the same virus that causes chickenpox).
- Hidradenitis Suppurativa
- Ichthyosis
- Impetigo Impetigo is a highly contagious bacterial skin infection that predominantly affects the superficial layers of the skin (epidermis).
- Insect Bites
- Intertrigo
- Keloids and Hypertrophic Scars Keloids and hypertrophic scars are types of abnormal (pathological) scarring in which the skin produces too much collagen — the structural protein that gives skin its strength — during the wound-healing process.
- Keratosis Pilaris
- Leg Ulcers
- Leprosy
- Leukocytoclastic Vasculitis
- Lichen Planopilaris Lichen planopilaris (LPP) is a chronic inflammatory condition that causes permanent, scarring hair loss (cicatricial alopecia).
- Lichen Planus Lichen planus is a chronic inflammatory condition affecting the skin, mucous membranes, hair, and nails.
- Lipoma
- Lupus Erythematosus
- Male Androgenetic Alopecia Male Pattern Baldness Male pattern baldness, or androgenetic alopecia in men, is a hereditary condition characterized by progressive hair loss following a predictable pattern of frontal and vertex (crown) thinning.
- Melasma Melasma is a common acquired pigmentary disorder characterized by symmetrical brown to grayish-brown patches on sun-exposed areas of the face.
- Molluscum Contagiosum
- Morphea
- Mycosis Fungoides
- Nail Melanoma Subungual Melanoma
- Necrobiosis Lipoidica Necrobiosis lipoidica (NL) is a rare, chronic inflammatory skin condition characterized by shiny, yellowish-brown plaques with telangiectasia (visible blood vessels) that typically appear on the shins.
- Neurofibroma
- Notalgia Paresthetica
- Onychomycosis Onychomycosis is a fungal infection of the nail unit, representing the most common nail disorder encountered in clinical practice.
- Pemphigus Vulgaris
- Photoaging
- Pityriasis Rosea
- Pityriasis Versicolor Pityriasis versicolor (also known as tinea versicolor) is a common superficial fungal infection of the skin caused by Malassezia yeasts, organisms that normally reside on human skin.
- Polymorphous Light Eruption
- Port-Wine Stain Nevus Flammeus
- Postherpetic Neuralgia
- Pressure Ulcer Ulcer de presiune
- Psoriasis Psoriasis is a chronic, non-contagious immune skin disease causing red, scaly plaques and sometimes arthritis, often well controlled with modern treatment.
- Pustular Psoriasis
- Pyoderma Gangrenosum
- Rheumatoid Nodules
- Rosacea Rosacea is a chronic inflammatory dermatological condition characterized by persistent centrofacial erythema (redness concentrated in the central area of the face).
- Scabies Scabies represents a highly contagious skin infestation caused by the microscopic mite Sarcoptes scabiei var. hominis, which burrows into the upper layer of human skin (stratum corneum).
- Seborrheic Dermatitis
- Squamous Cell Carcinoma
- Stevens-Johnson Syndrome
- Sunburn
- Tinea Capitis
- Tinea Corporis
- Tinea Cruris
- Tinea Pedis Athlete's Foot Tinea pedis, commonly referred to as athlete's foot, represents a superficial fungal infection affecting the skin of the feet caused by dermatophytes (specialized fungi that digest keratin in skin, hair, and nails).
- Trigeminal Trophic Syndrome
- Urticaria Urticaria (commonly known as hives) is a mast cell-driven skin condition that presents with wheals (raised, itchy, red or pink swellings that typically resolve within 24 hours), angioedema (deeper swelling of the skin and subcutaneous tissue), or both.
- Venous Ulcer
- Vitiligo Vitiligo is a chronic autoimmune skin condition in which the immune system destroys melanocytes (the cells responsible for producing skin pigment), resulting in well-defined, milk-white patches of depigmented skin.
- Warts Verrucae
- Xerosis Dry Skin Xerosis cutis is a common skin condition characterized by abnormally dry, rough, and scaly skin resulting from insufficient moisture in the outermost layer of the skin (stratum corneum).
- Yellow Nail Syndrome
- Zoon Balanitis Plasma Cell Balanitis Zoon balanitis, also known as balanitis circumscripta plasmacellularis or plasma cell balanitis, is a chronic, benign inflammatory condition affecting the glans penis (the head of the penis) and often the inner surface of the foreskin.
