Carbon stain

Carbon stains are a skin condition characterized by a discoloration of the skin from embedded carbon, usually occurring in children from careless use of firearms or firecrackers, or from puncture wound by a pencil, which may leave a permanent black mark of embedded graphite, easily mistaken for metastatic melanoma.[1]:47

See also

References

  1. ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0. 
Cutaneous keratosis, ulcer, atrophy, and necrobiosis (L82–L94, 700–701.5)
Epidermal thickening

keratoderma: Keratoderma climactericum • Paraneoplastic keratoderma (Acrokeratosis paraneoplastica of Bazex )  • Aquagenic keratoderma · Drug-induced keratoderma  · Paraneoplastic keratoderma • psoriasis (Keratoderma blennorrhagica)

keratosis: Seborrheic keratosis (Clonal seborrheic keratosis · Common seborrheic keratosis · Irritated seborrheic keratosis · Seborrheic keratosis with squamous atypia · Reticulated seborrheic keratosis · Dermatosis papulosa nigra) • Keratosis punctata of the palmar creases

other hyperkeratosis: Acanthosis nigricans (Confluent and reticulated papillomatosis) · Callus  • Ichthyosis acquisita · Arsenical keratosis · Chronic scar keratosis · Hyperkeratosis lenticularis perstans · Hydrocarbon keratosis · Hyperkeratosis of the nipple and areola · Inverted follicular keratosis · Lichenoid keratosis · Multiple minute digitate hyperkeratosis · PUVA keratosis · Reactional keratosis · Stucco keratosis · Thermal keratosis · Viral keratosis · Warty dyskeratoma · Waxy keratosis of childhood

other hypertrophy: Keloid · Hypertrophic scar • Cutis verticis gyrata ·
Necrobiosis/granuloma
Other/ungrouped
Dermis/
localized CTD
Other

M: INT, SF, LCT

anat/phys/devp

noco(i/b/d/q/u/r/p/m/k/v/f)/cong/tumr(n/e/d), sysi/epon

proc, drug (D2/3/4/5/8/11)