Skip to main content
← Back to Medical Dermatology

Medical Dermatology Glossary

90 terms total — 24 showing — Last updated 15 Sep 2026

PN PN

Intermediate Technical IVT

Abbreviation for prurigo nodularis, a chronic neuroimmune skin disorder characterised by intensely pruritic hyperkeratotic nodules.

Showing 25–48 of 90

Desquamation

Intermediate Technical IVT

The shedding or peeling of the outer layers of the epidermis, occurring physiologically or as a feature of numerous skin...

Technical Term Full entry →

DH

Intermediate Technical IVT

Standard abbreviation for Dermatitis Herpetiformis, used in clinical notes and research papers. Must be defined at first...

Abbreviation Full entry →

DLQI

Intermediate Technical IVT

Abbreviation for Dermatology Life Quality Index, a validated 10-item patient-reported questionnaire measuring the impact...

Abbreviation Full entry →

Erythema

Basic Technical IVT

Superficial reddening of the skin caused by dilation of blood capillaries, used as a descriptor or as part of named derm...

Technical Term Full entry →

A non-specific haematological blood test measuring the rate at which red blood cells settle in plasma, used as a general...

Document Type Full entry →

Erythroderma

Advanced Technical IVT

Generalised, widespread reddening affecting 90% or more of the body surface area, representing a dermatological emergenc...

Technical Term Full entry →

Erythroderma Grading

Professional Formal

A clinical assessment framework used to classify the severity and systemic impact of erythroderma, informing management...

Document Type Full entry →

Erythrodermic Psoriasis

Advanced Technical IVT

A severe, potentially life-threatening variant of psoriasis characterised by widespread erythema and scaling affecting m...

Technical Term Full entry →

Excoriation

Basic Technical IVT

A superficial skin abrasion or scratch mark, typically self-inflicted, that removes the epidermis and may extend into th...

Technical Term Full entry →

Fitzpatrick Scale

Intermediate Technical IVT

A six-point numerical classification system that categorises human skin types by their response to ultraviolet radiation...

Technical Term Full entry →

FSP

Intermediate Technical IVT

Abbreviation for Fitzpatrick Skin Phototype, the six-category classification of skin response to UV radiation.

Abbreviation Full entry →

Granulomatous

Advanced Technical IVT

Relating to or characterised by the formation of granulomas — discrete clusters of epithelioid macrophages representing...

Technical Term Full entry →

Herald Patch

Intermediate Technical IVT

The initial solitary, oval, salmon-coloured plaque with a collarette of fine scaling that precedes the generalised erupt...

Technical Term Full entry →

Hidradenitis Suppurativa

Advanced Technical IVT

A chronic inflammatory skin disease characterised by recurrent painful nodules, abscesses, and sinus tracts in intertrig...

Technical Term Full entry →

HS

Intermediate Technical IVT

Standard abbreviation for Hidradenitis Suppurativa in dermatology clinical and research documents.

Abbreviation Full entry →

Hurley Staging

Intermediate Technical IVT

A three-stage classification system (I–III) used to grade the clinical severity of hidradenitis suppurativa based on les...

Style Convention Full entry →

Hyperpigmentation

Basic Technical IVT

Darkening of the skin due to an increase in melanin production or deposition, appearing as patches or macules darker tha...

Technical Term Full entry →

Hypopigmentation

Basic Technical IVT

Reduction in skin pigmentation below the individual's baseline, resulting from decreased melanin production or loss of m...

Technical Term Full entry →

Ichthyosis

Advanced Technical IVT

A heterogeneous group of genetic or acquired skin disorders characterised by widespread, persistent scaling resembling f...

Technical Term Full entry →

IGA

Intermediate Technical IVT

Abbreviation for Investigator's Global Assessment, a validated ordinal scale used in clinical trials to rate overall dis...

Abbreviation Full entry →

Keloid

Intermediate Technical IVT

A benign fibroproliferative scar that extends beyond the boundaries of the original wound, formed by excessive collagen...

Technical Term Full entry →

Keratinocyte

Basic Technical IVT

The predominant cell type of the epidermis, responsible for producing keratin and forming the protective skin barrier.

Technical Term Full entry →

Koebner Phenomenon

Intermediate Technical IVT

The appearance of new skin lesions at sites of cutaneous trauma or mechanical injury in patients with certain pre-existi...

Technical Term Full entry →

Lentigo Maligna

Advanced Technical IVT

A slow-growing form of melanoma in situ arising on chronically sun-damaged skin, typically presenting as an irregularly...

Technical Term Full entry →
Showing 25–48 of 90

Editors from these organisations have used our services since 1998

Reuters BBC Oxford University Press Penguin Random House Springer Microsoft Suncor Energy United Nations Fisher Investments IBM The Home Depot KODAK CHEVRON