Fluorescent Porphyrins Porphyrias: Very rare genetic diseases;brown teeth and bones, porphyrinuria
Erythrodontia, fluorescent bones, skin lesions, plasma, urine, and stools Abbreviations: ACTH, adrenocorticotropic hormone; DFSP, dermatofibrosarcoma protuberans; [Fe.sup.+2], ferrous iron; [Fe.sup.+3], ferric iron; GIST, gastrointestinal stromal tumor; Hb, hemoglobin; HCC, hepatocellular carcinoma; MPNST, malignant peripheral nerve sheath tumor; PCN, plasma cell neoplasms; PVNS, pigmented villonodular synovitis; RCC, renal cell carcinoma.
1997), environmental exposure has not been linked to porphyrinuria
. A recent study conducted among 241 residents of Flix (Catalonia, Spain), a village located near an electrochemical factory where high atmospheric levels of HCB were detected, revealed lower urinary levels of coproporphyrins in participants exhibiting the highest HCB plasma levels (Sunyer et al.