Periorbital melanosis and pigmentary demarcation line of the face are not two different conditions; rather they are two different manifestations of the same disease.
Lupus erythematosus‐lichen planus (LE‐LP) overlap syndrome represents a rare disorder with clinical and histopathological features of both lichen planus and lupus erythematosus presenting in the same lesions. However, lichen planus and lupus erythematosus can also coexist in the same patient. Blaschkoid lichen planus in the setting of concurrent childhood‐onset systemic lupus erythematosus has not been previously described.
The manufacturer's instructions, the British National Formulary and several NHS trust guidelines all recommend a concentration of 0.01% (1 in 10 000) solution. [1][2][3][4][5] Interestingly, the same body of literature also recommend dilution to a 'rose-pink' or 'light-pink' colour.It is widely recognized that contact with concentrated PP solution may result in local skin reactions such as inflammation, pain and chemical burns, and is very dangerous if ingested; it is therefore subject to the requirements of Control of Substances Hazardous to Health and can only be issued to staff and patients who have received adequate education into safe handling. [1][2][3][4][5] Dilution to the appropriate 'light-pink' colour in Basin B was based on the experience and visual assessment of our local departmental clinicians. This subjective evaluation may not reflect national practice, and the nonresponders in the Facebook nursing group may have had a different view.Diluting PP to a 'light-pink' colour is clearly much less concentrated than the recommended 0.01% (1 in 10 000) solution. This contradiction is confusing and could affect patient care. We suggest that patient and clinician education should emphasize the importance of visual assessment rather than formulaic calculations in the safe preparation of PP solution.
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