ARTICLE
Comment
Piezogenic pedal papules are a relatively common finding in healthy
subjects [1, 2]. It is usual for them to appear when standing and to disappear
when weight is taken off the foot [3]. They tend to be asymptomatic although
occasionally they can be painful. Histology just shows normal adipose
tissue [4]. It is not clear why the papules are occasionally painful although
various reasons have been considered, including ischaemia due to extrusion
of fat within its vascular and nervous supply [5].
As far as we are aware this is the first case report with concomitant
palmar papules. Excision of solitary papules should be considered if they
are painful and this may be curative [6].
Article accepted on 21/1/02
REFERENCES
1. Kohn SR, Blasi JM. Piezogenic pedal papules. Arch Dermatol
1972; 106: 597-8.
2. Zaidi Z, Jafri N, Noori B, et al. Piezogenic papules
a study of 100 cases. J Pak Med Assoc 1995; 45: 93-4.
3. Cohen HJ, Gibbs RC, Minkin W, et al. Painful pedal
papules. Arch Dermatol 1970; 101: 112-3.
4. Sclappner OLA, Wood MG, Gerstein W, et al. Painful
and non-painful piezogenic pedal papules. Arch Dermatol 1972; 106:
729-33.
5. Shelley WB, Rawnsley HM. Painful feet due to herniation of
fat. JAMA 1968; 209: 308-9.
6. Ronnen M, Suster S, Huszar M, et al. Solitary painful
piezogenic pedal papule in a patient with rheumatoid arthritis. Int
J Dermatol 1987; 26: 240-1.
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