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Table 2 Results of scanning electron microscopy (SEM), the beryllium lymphocyte proliferation test BeLPT and MELISA®

From: Identification of metal sensitization in sarcoid-like metal-exposed patients by the MELISA® lymphocyte proliferation test — a pilot study

Pt.

Diagnosis

Metals tested by SEM

Metals tested by MELISA®

MeLPT

BeLPT

Exposure route

1

SA; NCG (+)

Fe, Ti, Al, Si

Al, Si, Ti

(-)

Be(-)

Military industry

2

SA; NCG (+)

Si, Cr, Ni, Fe

Cr, Fe, Ni, Si, Ti, Be

Ti(+)

Be(-)

Metalworks

3

SA; NCG (+)

Si, Cr, Ni, Fe, Mo

Cr, Au, Hg, Pa, Ti, Ni, Mo

Ti(+) Pa(+)

Be(-)

Jewelry industry

4

SA; NCG (+)

Au, Zn, Si, Al,

Al, Au, Hg, Pa, Si, Ti, Zn, Be

Hg(+)

Be(-)

Aviation industry

5

SA; NCG (−)

Al, Ag, Cu

Ag, Cu, Al

(-)

Be(-)

Welding

6

SA; NCG (+)

Al, Si, Fe, Zn

Hg, Ni, Si, Ti, Zn, Pb, Ti

Ti(+) Pb(+)

Be(-)

Welding

7

SA; NCG (+)

Al, Si Fe

Al, Au, Fe, Si, Ti, Be

Ti(+) Be(+)

Be(-)

Military industry

8

CBD NCG (+)

(−)

Fe, Ni, Ti, Be

(-)

Be(+)

Dental technician

9

CBD NCG (+)

Al, Si Cr, Fe, Ni

Al, Cr, Fe, Ni, Si, Be

Si(+)Fe (+)Cr(+) Ni(+) Be(+)

Be(+)

Dental technician

10

SA; NCG (+)

Si, Cr, Co, Fe, Ti, Ni, W, Mn

Cr, Co, Fe, Mn, Ni, Si, Ti,

(-)

Be(-)

Dental technician

11

SA; NCG (+)

Fe, Cr, Ni, Si

Cr, Hg, Fe, Ni, Si, Ag, Sn

Si(+)Cr(+) Ni(+)

Be(-)

Teacher

12

SA; NCG (+)

Si, Au, Cr, Fe

Au, Hg, Ni, Pa, Pl, Si

Ni(+)

ND

Silicone implants

13

SA; NCG (+)

Si

Au, Ni, Pa, Pl, Si

Ni(+)

ND

Silicone implants

  1. Pt patient #, SA sarcoidosis, NCG non-caseating granulomas, ND not done, Al aluminum, Cu copper, Si silica, Fe iron, Ti titanium, Cr chrome, Ni nickel, Au gold, Mo molybdenum, Zn zinc, Hg mercury, Mn manganese, Co cobalt, Pb lead, W tungsten, Pa palladium