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Non-infectious dermtologic diseases and chronic exposure to mining tailings in a peruvian community
1. Non-infectious dermatologic diseases associated with chronic exposure to mining tailings in a Peruvian community Willy Ramos 1 , Carlos Galarza 1 , Gerardo Ronceros 1 , Ferdinand de Amat 1 , Maria Teran 1 and Alex G Ortega-Loayza 1,2 . 1 Instituto de Investigaciones Clínicas de la Universidad Nacional Mayor de San Marcos, Hospital Nacional Dos de Mayo, Lima-Peru. 2 Department of Medicine, University of North Carolina at Chapel Hill, USA
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4. FIGURE 3: Location of exposed and non-exposed communities to mining tailings in the district of San Mateo de Huanchor (Huarochiri, Lima).
5. TABLE 1: Average concentrations of relevant environmental metals in mining tailings and sediments in San Mateo de Huanchor . 3400 mg/kg 2317 mg/Kg 160 mg/Kg 10–300 mg/Kg 100 mg/Kg Zn 1900 mg/Kg 2561 mg/Kg 62 mg/Kg 10–70 mg/Kg 5 mg/Kg Pb 1.21 mg/kg MND 0.11 mg/Kg < 0.050 mg/Kg 0.08 mg/Kg Hg 800 mg/Kg 514 mg/Kg 51 mg/Kg 2–250 mg/Kg 15 mg/Kg Cu > 10000 mg/Kg > 10000 mg/Kg 21 mg/Kg 1–40 mg/Kg 8 mg/Kg As MINING TAILING OF MAYOC (Exposed town) MINING TAILING OF TAMBORAQUE (Exposed town) SEDIMENTS IN RIO BLANCO (Non-exposed town) REFERENCE VALUES WHO (SOILS AND SEDIMENTS REFERENCE VALUES IN SEDIMENTS ANALYZED METALIC ELEMENT
12. TABLE 2: Characteristics of the adult population. 37 (33.9) 86 (71.1) Non-infectious dermatologic disease, No. (%) 63 (57.8) 62 (51.2) Feminine, No. (%) 46 (42.2) 59 (48.8) Masculine, No. (%) 21.49 ± 16.71 20.13 ± 18.91 Age (years) 109 121 Sample (n) NON-EXPOSED GROUP EXPOSED GROUP CHARACTERISTICS
13. TABLE 3: Non infectious dermatologic diseases in exposed and non-exposed adults to mining tailings.
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15. TABLE 4: Dermatologic lesions and clearance of arsenic in 24-hour urine samples in adult patients with chronic arsenicosis. 33-62 ug/L Plantar, Palmar, Palmoplantar, Thighs, Thorax 6 Keratosis 58 ug/L Thorax, Abdomen 1 Hyperpigmentation 53-56 ug/L Nails of hands 2 Mee’s lines 31-66 ug/L Plantar 2 Keratosis and Hyperpigmentation CLEARANCE OF ARSENIC (*) IN 24-HOUR-URINE LOCALIZATION OF LESIONS NUMBER OF PATIENTS TYPE OF LESION