Paroxysmal hand hematoma

Paroxysmal hand hematoma, also known as Achenbach syndrome, is a skin condition characterized by spontaneous focal hemorrhage into the palm or the volar surface of a finger, which results in transitory localized pain, followed by rapid swelling and localized blueish discoloration.^[1]: 828 The condition has an unknown cause, but is not a cause for concern as it resolves without treatment.^[2]

Paroxysmal hand hematoma
Other names	Achenbach syndrome
Paroxysmal hand hematoma appears often on the internal surface of the finger, under the middle finger or forefinger, at the joints of the first or second phalanx.[citation needed]
Specialty	Dermatology
Symptoms	Pain, swelling, bluish discoloration

See also

• List of cutaneous conditions
• Hematoma
• Phalanx bone