Differential Diagnosis > Distribution > Acral > Hands and/or Feet

Hands and/or Feet

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with hands, always keep in mind photodistribution and inoculation

 

 

Verrucous plaque on hand ddx:

 

 

Solitary lesion - inoculation:

 

Solitary lesion - “growths”:

acquired digital fibrokeratoma encircled by hyperkeratotic moat
infantile digital fibromatosis Reye's tumor
giant cell tumor of the tendon sheath = second most common tumor of the hand (with ganglion cyst being most common)
digital mucous cyst
glomus tumor

 

Finger nodules:

gout
rheumatic nodules
calcium
multicentric reticulohistiocytosis
Heberdens and Bouchards