Table 1.
Characteristic | Family 1 | Family 2 | Family 3 | Family 4 | Family 4 | Family 5 | Family 6 | Family 7 | Family 8 | Family 8 | Family 9 | Family 10 | Family 11 | Normal Values |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
II.3 | II.3 | II.3 | II.2 (proband) | II.3 | II.1 | II.2 | II.3 | II.3 (proband) | II.2 | II.2 | II.1 | II.1 | ||
Country of Origin | Lithuania | Spain | India | India | India | Poland | Italy | Italy | Brazil | Brazil | Brazil | India | Pakistan | |
Sex | F | F | M | M | M | F | M | M | F | F | F | F | M | |
Age at Dx (years) | 75 | 33 | 40 | 66 | 61 | 40 | 46 | 62 | 37 | 29 | 46 | 25 | 16 | |
Hb (g/dl) | 11.1 | 10.9 | 12.1 | 11.6 | 10.7 | 11.1 | 12.5 | 12.2 | 11.7 | 12.3 | 9.4 | 9.2 | 13.4 | 12–16 |
MCV (fl) | 82,0 | 85.1 | 77 | 66.8 | 81 | 88.0 | 84 | 70.6 | 75.2 | 71.4 | 64.5 | 71.5 | 69 | 79–99 |
Retyculocytes (%) | 0.5 | 0.8 | n/a | 0.9 | 1.2 | n/a | 0.58 | 1 | 1.77 | 1.1 | 1.77 | 0.51 | n.a. | 1.1–2.7 |
RDW (%) | 16.8 | 15.2 | 14.3 | 17.3 | 15.5 | 15.5 | 15.4 | 16.1 | 16 | 17.2 | 18 | 17.1 | 18 | 11.3–14.5 |
Serum iron (µg/dl) | 82.8 | 15 | 28 | 19 | 39.1 | 81.0 | 33 | 215 | 23 | 23 | 22 | 9.5 | 33.5 | 37–170 |
Ferritin (ng/ml) | 12159 | 355.4 | 1077 | 1112 | 3845 | 1143 | 2100 | 3650 | 791 | 732 | 1060 | 757 | 1065 | 10–290 |
Transferrin Saturation (%) | 12.4 | 4.3 | 10 | 5 | 12 | 39 | 9 | 88 | 9.24 | 9.83 | 8.2 | 4 | 8.8 | 20–55 |
CP (mg/dl) | < 0.02 | < 2.0 | < 0.03 | < 0.03 | < 0.03 | 0.12 | undetectable | 0.12 | 11 | 9 | < 2 | n.a. | < 0.02 | 17–65 |
ALT (U/l) | 55 | 12 | 32 | 24 | 36 | 19 | 37 | 113 | 26 | 179 | 37 | 24 | 87 | 14–36 |
AST (U/l) | 43 | 17 | n.a | n.a | 24 | 16 | 20 | 80 | 12 | 82 | 29 | n/a | n/a | 8–40 |
Clue to ACP diagnosis | Low level of Cp. No Cu urine excretion Hepatocellular siderosis. Iron deposition in basal ganglia. | Low level of Cp. Low serum Cu and low urine Cu. Hepatic iron overload. Iron deposit in basal ganglia. | Iron deposition at brain MRI, Unexplained hyperferritinemia, low CP | Iron deposition at brain MRI, Unexplained hyperferritinemia, low CP | Iron deposition at brain MRI, Unexplained hyperferritinemia, low CP | Symptoms (including tremor) and very low CP | unexplained hyperferritinemia | overexpressed HFE Hemochromatosis, supposed additional non-HFE mutation(s) tested with NGS | Iron deposition at brain MRI | Familial investigation | Low CP in investigation of iron-refractory anaemia | Hair loss, mild executive dysfunction on formal neurocognitive assessment | low CP level | |
Clinical presentation (symptoms and signs) | Moderate dementia with prevalent frontal features, cerebellar ataxia, oromandibular dystonia, torsion of the trunk, severe chorea-athetosis with choreiform movements. Mild type-2 DM. Retinal degeneration. Mild anaemi | Unspecific symptoms: Fatigue; abdominal discomfort and chronic anaemia. Liver ultrasonografy showed hepatic lesions that justified a MRI, that showed iron overload | Neurological symptoms: progressive cognitive decline, diabetes, mild bradykinesia with mild finger nose ataxia and dysdiadochokinesia .Unexplained anaemia | Neurological symptoms: progressive(over 5 years) cognitive decline, diabetes, tremor left hand Unexplained anaemia | Concentration and intellectual ability decline. Unexplained anaemia, DM. | Head and postural tremor of upper and lower limbs, slight dysmetria, ataxia, proximal weakness of lower extremities, horizontal nystagmus, and tunnel vision. | Liver iron overload and mild anaemia | Iron overload. Mild anaemia was consistent also with b-thalassemia trait | Choreiform movement disorder, mild anaemia, DM-2, asymptomatic retina pigmentation | Asymptomatic. Familial investigation | Mild anaemia, DM-2, asthenia, mild movement disorder | April 2015 acute psychotic episode with catatonia, hair loss, mild executive dysfunction on formal neurocognitive assessment | Concentration/memory lapses | |
Anaemia | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | |
Neurological symptoms | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | Yes | |
Liver Iron overload | Yes | Yes | n.a. | Yes | Yes | No | Yes | n.a. | n.a. | Yes | n.a | Yes | Yes | |
Diabetes | Yes | No | Yes | Yes | Yes | No | No | No | Yes | No | Yes | No | No | |
Retinopathy | Yes | No | No | No | No | Not evaluated | Yes but not typical for aceruloplasminemia | No | Yes | Not evaluated | Not evaluated | No | Yes | |
Brain MRI (sites of iron accumulation, in brief) | Iron overload in putamen | Iron overload in lenticular, dentate and thalamus | SWI increased susceptibility involving the cerebelum, basal ganglia, thalami, red and dentate nuclei. | MRI SWI with marked susceptibility predominantly involving the lateral putamen, red nucleus, striaum, thalamic, pulvinar, cerebellar dentate nucleus | Iron overload in lentiform caudate, dorsal lateral thalami and dentate nuclei | FLAIR and T2 hypointenseties in the putamen and substantia nigra | no iron overload | no iron overload | Iron overload in thalami, basal ganglia, and cerebellum | Iron overload in thalami, basal ganglia, red nuclei, dentate, cerebellum and brain cortex | Iron overload in thalami, basal ganglia, dentate, and cerebellum | Iron overload in choroid plexus, bilateral dentate nuclei thalamic and basal ganglia | n.a. | |
Liver MRI or (biopsy) | hepatocellular siderosis grade III | HII = 9.58, severe iron overload | n.a. | Feriscan LIC: 9.4 mg/g dw | LIC by Ferriscan: 6.3 mg/g dw | Biopsy: small depositions of yellow-brown pigment (stain for ferrum - negative) - probably lipofuscin | LIC 340 µM/g = HII 7.9 (severe iron overload) | n.a. | not performed | Iron overload in liver and pancreas (qualitative) | not performed | LIC by Ferriscan 9.0 mg/g/dw | LIC by Ferriscan: 5.3 mg/g dw | HII < 1.9 |
Diagnostic delay | 20 years | 1.5 years | 5 years | 2 years | 4 years | 13 years | 3 years | 30 years | 1 year | Not applicable | 32 years | 3 years | Not known | |
Iron chelation or other therapy | No Iron chelation therapy. | Deferasirox from 10/2014 to 11/2015; Deferiprone from 11/2015; Vitamin E. | Started on FFP OctaplasLG every 2 weeks on diagnosis. Later added Deferiprone | Deferiprone started on diagnosis (25 mg/kg/d) | Deferiprone started 2011 | Zinc | Deferasirox and desferoxamine both suspended for renal insufficiency, actually on deferiprone | Desferoxamine and “micro”-phlebotomies | Deferiprone | Desferoxamine, combination with deferiprone | Deferiprone | Deferiprone | ||
Other clinical data | Bilateral cataracts | Psoriasis | None | hypertension, previous CVA, low Vitamin B12, bilateral cataracts | 2013: DM, 2011: hearing loss | Hypertension | 3-4 alcoholic units/day, arterial hypertension, overweight, central serous chorioretinopathy | Beta-Thal trait; fully penetrant HFE-related HH (C282Y homozygous) in the 3rd decade of life | Hypercholesterolemia, macroalbuminuria | Hypothyroidism, lower limb venous thrombosis, migraine | Hypothyroidism, glaucoma, kidney stones, chronic diarrhea | Iatrogenic iron overload due to oral iron supplementation for microcytic anaemia, hypothyroid, amenorhoea (thought to be due to polycystic ovaries), microcytic anaemia, hypothyroid, borderline oral glucose tolerance test. | White nails, Acquired leukopenia, Bilateral lattice degeneration of fundi-risk of retinal detachment. Vit D depletion | |
Genetics CP gene NM_000096.3; NP_000087.1 | c.[1783_1787delGATAA(;)2520_2523delAACA] p.(Asp595Tyrfs*2;Thr841Argfs*52) | c.[2050_2051delAC]; [2050_2051delAC] p.(Thr684Alafs*6); (Thr684Alafs*6) | c.[1864+5G>A];[1864+5G>A] | c.[1864+5G>A];[1864+5G>A] | c.[1864+5G>A];[1864+5G>A] | c.[389A>C]; [=] p.(His130Pro); (=) | c.[1012T>A(;)2972T>C] p. (Cys338Ser);(Ile991Thr) | c.[2684G>C(;)1602T>G] p. (Gly895Ala);(Cys534Trp) | c.[2879-1G>T];[2879-1G>T] | c.[2879-1G>T];[2879-1G>T] | c.[2756T>C];[2756T>C] p.(Leu919Pro);(Leu919Pro) | c.[1679G>T];[1679G>T] p.(Cys560Phe);(Cys560Phe) | c.[1713+1delG];[1713+1delG] |
Reference values are indicated in the last column. Sex: M: male, F: female; ACP: Aceruloplasminemia; CP: ceruloplasmin; MRI: magnetic resonance imaging; SWI Susceptibility weighted imaging; HII hypoxic-ischemic injury; LIC: liver iron content; Hb: Hemoglobin; MCV: mean corpuscular volume; RDW: red cell distribution width; DM-2: Diabetes mellitus type 2; NGS: next-generation sequencing; n.a.: not available.