Glossary

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Term	Definition
Acneiform rash	A skin condition characterised by follicular, papulopustular eruptions confined to the seborrhoeic areas, frequently localised to the face, scalp, upper chest and back. Also referred to as papulopustular rash or folliculitis.
ADL	Activities of daily living.
Alopecia	Hair loss or baldness.
BSA	Body surface area.
Dysphagia	Difficulty in swallowing.
Dysesthesia	Abnormal sensations which include a burning sensation under the skin and extremely sensitive skin.
Ectatic	Dilation or distension.
EGFR inhibitor	A targeted drug therapy that inhibits the epidermal growth factor receptor (EGFR).
Epilation	Removal of hair using an epilator, an electrical device used to remove hair by mechanically grasping multiple hairs simultaneously.
Erythema	Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection.
Follicular	Affecting or growing out of a Follicle or Follicles.
Follicles	A small cavity in the epidermis of the skin from which a hair develops.
Folliculitis	Inflammation of the hair Follicles, which is often caused by Staphylococcal infections.
Hand-foot skin reaction	A group of symptoms affecting the hands and/or feet, typically localised on frictional or weight bearing areas which usually starts with paresthesia, tingling, burning or decreased tolerance for touching hot object. Subsequently painful blisters develop that evolve into painful calluses.
Hand-foot syndrome	Palmar-plantar erythrodysesthesia associated with chemotherapy agents usually manifesting with painful edema and redness of the full palms and soles.
HCP	Healthcare provider.
Hyperkeratotic skin	Hyperkeratosis is a thickening of the stratum corneum of the skin.
Hypertrichosis	Abnormal amount of hair growth over the body.
Keratoacanthoma	A low-grade squamous cell carcinoma of the skin that often disappears spontaneously.
Kinase enzyme	A kinase enzyme modifies other proteins by chemically adding phosphate groups to them by phosphorylation.
Maculopapular rash	A skin condition characterised by a generalised eruption of the skin characterized by small confluent red macules or bumps (papules) erythema.
Macule	A flat, distinct, coloured area of skin that is less than 1 centimetre in diameter and does not include a change in skin texture or thickness.
Medical Subject Headings term	A list of terms created by the National Library of Medicine for indexing and searching content.
Multikinase inhibitor	A type of enzyme inhibitor that blocks the action of more than one protein kinase.
Palmar-plantar erythrodysesthesia syndrome	A condition marked by pain, swelling, numbness, tingling, or redness of the hands or feet.
Papilloma	A benign outwardly-projecting epithelial tumour.
Papule	A circumscribed palpable elevation of the skin less than 0.5 cm in diameter.
Papulopustular rash	A skin condition characterised by follicular, papulopustular eruptions confined to the seborrhoeic areas, frequently localised to the face, scalp, upper chest and back. Also referred to as acneiform rash or folliculitis.
Paresthesia	A sensation of tingling, tickling, prickling, pricking, or burning of a person's skin.
Paronychia	Inflammation of the nail fold.
Paronychium	The soft tissue surrounding the border of the fingernail or toenail.
Pruritus	Itch.
Pyrogenic granuloma	Pyogenic granuloma is a relatively common skin growth consisting of granulation tissue that presents as a shiny red mass.
Pustule	A small amount of visible pus in the top layer of skin (epidermis) or just beneath it in the dermis.
SPC	Summary of product characteristics.Stomatitis
Stomatitis	A general term for any mucosal injury in the oral cavity.
Squamous cell carcinoma	A cancer type that develops from epidermal keratinocytes.
Trichomegaly	Abnormally long eyelashes.
Xerosis	Dry skin.