Pastia's lines

Pastia's sign, Pastia lines,^[1] or Thompson's sign is a clinical sign in which pink or red lines formed of confluent petechiae are found in skin creases, particularly the crease in the antecubital fossa, the soft inside depression on the inside of the arm; the folding crease divides this fossa where the forearm meets the (upper) arm (the biceps, triceps, humerus section of the upper extremity); the inside of the elbow (the inside flexor depression (fossa) of the elbow. It occurs in patients with scarlet fever prior to the appearance of the rash and persists as pigmented lines after desquamation.

The sign is named after the Romanian physician Constantin Chessec Pastia (1883–1926).^[2]

References

↑ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.
↑ Pastia's sign at Who Named It?

Symptoms and signs: skin and subcutaneous tissue (R20–R23, 782)

Disturbances of skin sensation	Hypoesthesia Paresthesia Formication Hyperesthesia Hypoalgesia Hyperalgesia

Circulation	Cyanosis Pallor/Livedo Livedo reticularis Flushing Petechia

Edema	Peripheral edema Anasarca

Other	Rash Desquamation Induration Diaphoresis Mass Neck mass

Skin	Asboe-Hansen sign Auspitz's sign Borsari's sign Braverman's sign Crowe sign Dennie–Morgan fold Darier's sign Fitzpatrick's sign Florid cutaneous papillomatosis Gottron's sign Hutchinson's sign Janeway lesion Kerr's sign Koebner's phenomenon Koplik's spots Leser-Trelat sign Nikolsky's sign Pastia's sign Russell's sign Wickham striae Wolf's isotopic response

Nails	Aldrich-Mees' lines Beau's lines Muehrcke's lines Terry's nails

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