Macula (dermatology)

Macula ( Latin : spot, mal) refers to a circumscribed spot in connection with the skin as a result of a change in the pigment content , blood flow or blood leakage. These changes are not accompanied by an increase in consistency or a change in level. In the English-language specialist literature, a distinction is made between the macula, whose diameter is approx. 1 cm, and larger changes, which are referred to as "patch" or "erythema".

Pigmentation changes:

• Hyperpigmentation
• Hypopigmentation

Changed vessel filling:

• Erythema
• Roseoles
• Naevus anaemicus

Blood leakage into the tissue:

• Purpura ( petechiae , ecchymosis, or sugillation )
• Hematoma

Individual evidence

1. ^ Entry on the spot (macula) in Altmeyer's encyclopedia (Springer, 2017) online, accessed on November 18, 2017