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Clinical Images

Orange discoloration of the palms

Jawaid A. Shaw and Meghashyam Koti
CMAJ April 14, 2009 180 (8) 895; DOI: https://doi.org/10.1503/cmaj.071335
Jawaid A. Shaw
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Meghashyam Koti
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A 40-year-old woman presented with orange discoloration of both palms (Figure 1) that had begun several days earlier. The rest of her skin, her sclera and other mucous membranes were normally coloured. She had no history of anorexia. The patient reported having no nausea, vomiting, abdominal pain or change in the colour of her urine or stool. She had eaten tomatoes and tomato-based dishes roughly 5 times per week for the last 3 years, totalling on average 3–4 pounds (1.4–1.8 kg) of tomatoes weekly. She had not taken multivitamins or energy drinks.

Figure1
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Figure 1: Photograph of the hands of a 40-year-old woman showing orange discolouration of the palms caused by lycopenemia.

The levels of her liver enzymes, thyroid-stimulating hormone, α-carotene, β-carotene, lutein, zeaxanthin and vitamin A were normal. The discoloration was diagnosed as lycopenemia. The patient was advised to reduce her tomato intake to 1–2 pounds (0.5–0.9 kg) per week. At a follow-up examination 2 weeks later, the discoloration had faded, and by 4 weeks it had completely disappeared (Figure 2).

Figure2
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Figure 2: The discolouration has resolved in this photograph taken 4 weeks after the patient reduced her intake of tomatoes.

Lycopenemia is a benign clinical entity characterized by yellowish orange pigmentation of the skin. It is caused by the deposition of lycopene. The deposits occur mainly in the stratum corneum, which has a high lipid content and hence an affinity for lycopene.1 Lycopene is an antioxidant and a structural isomer of β-carotene. It is found chiefly in tomatoes but is also found in other reddish foods such as rosehips, beets and chili beans.2 Related benign conditions include hypercarotenemia and riboflavinemia. In most cases, lycopenemia can be diagnosed on the basis of dietary history. Simple changes in diet bring complete resolution of the symptoms. Occasionally, specific tests are indicated to rule out hyperbilirubinemia or exposure to toxic levels of quinacrine or fluorescein.

Footnotes

  • Clinical images are chosen because they are particularly intriguing, classic or dramatic. Submissions of clear, appropriately labelled high-resolution images must be accompanied by a figure caption and the patient’s written consent for publication. A brief explanation (300 words maximum) of the educational significance of the images with minimal references is required.

REFERENCES

  1. 1.↵
    Hughes JD, Wooten RL. The orange people. JAMA 1966;197:730–1
    OpenUrlCrossRefPubMed
  2. 2.↵
    McConaghey RM. Carotenaemia. Lancet 1952;2:714–5.
    OpenUrlPubMed
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Canadian Medical Association Journal: 180 (8)
CMAJ
Vol. 180, Issue 8
14 Apr 2009
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Orange discoloration of the palms
Jawaid A. Shaw, Meghashyam Koti
CMAJ Apr 2009, 180 (8) 895; DOI: 10.1503/cmaj.071335

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Orange discoloration of the palms
Jawaid A. Shaw, Meghashyam Koti
CMAJ Apr 2009, 180 (8) 895; DOI: 10.1503/cmaj.071335
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