porphyria

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Related to porphyria cutanea tarda: acute intermittent porphyria
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Porphyria cutanea tarda, hepatitis C, uroporphyrinogen decarboxylase and mutations of HFE gene.
3) Some associations, such as cryoglobulinemia, membranoproliferative glomerulonephritis (MPGN), and porphyria cutanea tarda (PCT), are well established.
Today, the list of presumptive service-connected health problems caused by exposure to Agent Orange and other herbicides includes chloracne (a skin disease), Hodgkin's disease, multiple myeloma (a cancer of the blood cells), non-Hodgkin's lymphoma, porphyria cutanea tarda (a skin disease caused by a defective liver enzyme), respiratory cancers (lung, bronchus, larynx, and trachea), soft-tissue sarcoma (cancer of the muscles and tendons), acute and subacute peripheral neuropathy (weakening of the nervous system), prostate cancer, chronic lymphocytic leukemia, and adult-onset (Type 2) diabetes.
Liver biopsies performed in 39 heterozygotes revealed evidence of histologic abnormalities in 6 cases; these abnormalities were associated with alcohol abuse, hepatitis, or porphyria cutanea tarda in 5 of the patients, supporting the notion that heterozygosity for hemochromatosis is rarely associated with liver damage because of iron overload alone.
The following conditions are now considered service-connected for Vietnam veterans: chloracne (a skin disorder), porphyria cutanea tarda, acute or subacute peripheral neuropathy (a nerve disorder), non-Hodgkin's lymphoma, soft tissue sarcoma, Hodgkin's disease, multiple myeloma, prostate cancer and respiratory cancers (including cancers of the lung, larynx, trachea and bronchus).
Although the sclerodermoid variant of porphyria cutanea tarda (PCT) is well recognized, the concurrence of systemic scleroderma and PCT has rarely been documented.
The standard biochemical test for the diagnosis of VP involves chromatographic separation and quantification of fecal porphyrins, and is supplemented with urine and plasma porphyrin analysis and [delta]-aminolevulinic acid and porphobilinogen measurements for confirmation of the acute attack and for exclusion of other forms of porphyria, such as acute intermittent porphyria (AIP) and porphyria cutanea tarda (PCT).
The existence of a link between heKachlorobenzene (HCB) and porphyria cutanea tarda has been known for a long time.
8] It is not known how the mutations on the HFE gene contribute to the pathogenesis of iron overload in porphyria cutanea tarda.
The Department also presumes service-connection for chloracne, porphyria cutanea tarda (a liver disorder), prostate cancer, acute and subacute peripheral neuropathy (nerve impairment), soft-tissue sarcoma, Hodgkin's disease, multiple myeloma, respiratory cancers (lung, bronchus, larynx, and trachea), and non-Hodgkin's lymphoma in Vietnam veterans.
S65C frequency in Italian patients with hemochromatosis, porphyria cutanea tarda and chronic viral hepatitis with iron overload.
In the late 1950s, porphyria cutanea tarda killed more than 1,000 Turkish babies when they developed a secondary soft tissue infection known as pembe yara.
The diseases include: Hodgkin's Disease; porphyria cutanea tarda (PCT); non-Hodgkin's lymphoma; some types of soft tissue sarcoma, but excluding osteosarcoma, chondrosarcoma, Kaposi's sarcoma, and mesothelioma; some respiratory cancers, including lung, larynx and trachea cancers; multiple myeloma; and chloracne.
2-fold [mean (SD), 1395 (1432) nmol/day vs 5921 (7513) nmol/day] during an acute attack, which was similar to values found in porphyria cutanea tarda patients.