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PubMed1994

Gastrointestinal manifestations of amyloidosis.

We reviewed gastrointestinal manifestations in 40 patients with amyloidosis. Gastrointestinal symptoms included anorexia, macroglossia, intestinal pseudo-obstruction, and altered bowel habits. Hepatomegaly was detected in eight patients, but none had clinically significant infiltrative liver disease. Mucosal friability and erosions were common endoscopic findings. Barium enema was noncontributory in the diagnosis of amyloidosis, since colonoscopy disclosed mucosal abnormalities in three of six patients with normal radiographic findings. Rectal biopsy had the highest diagnostic yield, followed by duodenal, gastric, and colonic biopsies.

Adult↗
PubMed2004

Acute lymphocytic leukemia in a child with Beckwith-Wiedemann syndrome.

Beckwith-Wiedemann syndrome (BWS) is an overgrowth syndrome characterized by neonatal hypoglycemia, abdominal wall defects, macroglossia, organomegaly, ear pits and creases, hemihypertrophy, and increased birthweight. Children with BWS have an increased risk of malignancy. The authors present the case of a 3-year-old boy diagnosed with both BWS and acute lymphocytic leukemia (ALL). This case report will elaborate on the possibilities as to how BWS and ALL may be associated due to abnormal genomic imprinting and IGF dysregulation.

Antineoplastic Combined Chemotherapy Protocols↗
PubMed2005

Lymphatic malformation of the lingual base and oral floor.

BACKGROUND: Lymphatic malformation of the tongue and floor of the mouth is associated with chronic airway problems, recurrent infection, and functional issues related to speech, oral hygiene, and malocclusion. There are no accepted anatomic guidelines or treatment protocols. METHODS: This retrospective review focused on anatomic extent, treatment, complications, and airway management in 31 patients with lymphatic malformation of the lingual base and oral floor. RESULTS: Involved adjacent structures included the neck (77 percent), mandible (41 percent), face (42 percent), lips (10 percent), pharynx (45 percent), and larynx (26 percent). Fifty-eight percent of patients required tracheostomy during infancy; decannulation was possible in two-thirds of these patients. Management included resection alone (42 percent), resection and sclerotherapy (26 percent), resection and laser coagulation (16 percent), sclerotherapy and laser coagulation (16 percent), and resection and radiofrequency ablation (3 percent). Resection involved the neck (58 percent), floor of the mouth (52 percent), and tongue (42 percent); there were often multiple procedures. Aspiration was tried with little success in 10 percent of patients. Virtually all patients had residual abnormal lymphatic tissue. Complications and posttherapeutic problems included infection (81 percent), neural damage (27 percent), difficulty in speech (23 percent), feeding problems (10 percent), and seroma or hematoma (6 percent). Associated dental/orthognathic conditions, particularly prognathism and anterior open bite, were documented in one-third of patients. CONCLUSIONS: The initial step in the protocol is control of the neonatal airway. Staged cervical resection is undertaken in late infancy to early childhood; resection should also include abnormal tissue in the oral floor. Sclerotherapy is primarily for macrocystic disease or secondarily for recurrent cysts following partial extirpation. Vesicles of the mucous membranes and dorsal tongue are treated either by sclerotherapy, laser (carbon dioxide, yttrium-aluminum-garnet, or potassium-titanyl-phosphate), or radiofrequency ablation. Reduction for macroglossia is indicated for persistent protrusion or to allow correction of malocclusion. Embolization controls lingual bleeding. Orthognathic procedures are undertaken at the appropriate age, only after lingual size and position are acceptable.

Catheter Ablation↗
PubMed1983

Amyloid-associated muscle pseudohypertrophy and multiple myeloma in a man with hypernephroma.

Amyloidosis is known to occur both in renal adenocarcinoma and multiple myeloma. This paper describes a 52-year-old man who developed multiple myeloma and widespread amyloidosis after surgical removal of a hypernephroma. Multiple myeloma presented with osteolytic bone lesions and slight bone marrow plasmocytosis. Both kappa light chains and monoclonal IgG were secreted. Amyloidosis was seen as muscle pseudohypertrophy with wood-hard masses of amyloid in shoulders, girdle, buttocks and proximal limbs. Macroglossia was impressive and swelling of submandibular structures and the floor of the mouth was marked. Knowing the peculiar immunological potency of hypernephroma, attention is called to associations between renal carcinoma and monoclonal gammopathies, including amyloidosis.

Adenocarcinoma↗
PubMed1989

Coexistence of papular mucinosis and systemic amyloidosis associated with lambda-type IgD paraproteinemia.

The patient is an obese, 55-year-old woman. She noticed purpura at several sites when she was 49 years old. She visited our clinic with a chief complaint of exertional dyspnea at 51 years of age. Physical examination revealed localized edema in the left chest wall and lower abdomen with translucent papules in the center. Macroglossia, hemorrhagic macules, loss of axillary and pubic hairs, and goose-egg sized swellings of submaxillary lymph nodes were also found. Laboratory data were within the normal range except an increase of IgD and low ECG voltage. Bone-marrow puncture revealed an increase (27%) of plasma cells with some atypicality. Serum immunoelectrophoresis clarified IgD lambda-type paraproteinemia and lambda-type Bence Jones proteinemia. Histologically, edema with an increase in GAG was conspicuous in the circumscribed areas of the middle dermis. Amyloid deposition was clarified in the walls of arterioles in the deep dermis.

Amyloidosis↗
PubMed1996

Systemic amyloidosis with initial polyneuropathy.

We report a case of systemic amyloidosis with the initial sign of polyneuropathy. The patient eventually developed heart failure, macroglossia, and ecchymoses 6 years later. Biopsies from the sural nerve and normal-looking skin both proved the existence of amyloid.

Aged↗
PubMed1994

Clinical features and natural history of Beckwith-Wiedemann syndrome: presentation of 74 new cases.

Beckwith-Wiedemann syndrome (BWS) is a congenital overgrowth syndrome with variable expression. To define the range and frequency of complications in BWS, we have studied a cohort of 76 affected patients (two previously reported). The most frequent complications were macroglossia (97%), abdominal wall defect (80%) and birth weight or postnatal growth > 90th centile (88%). Other common features were ear creases/pits (76%), facial naevus flammeus (62%), nephromegaly (59%) and hypoglycaemia (63%). Rarer complications included hemihypertrophy (24%), moderate/severe developmental delay (4%), congenital heart defects (6.5%), polydactyly (4%), neoplasia (4%) and cleft palate (2.5%). Pre-term labour occurred in 53% and polyhydramnios in 33% of BWS pregnancies. The six deaths all occurred in babies born pre-term, three of whom had major congenital abnormalities. Five patients (6.5%) from four kindreds had an unequivocal family history of BWS, but 15 of 68 apparently sporadic cases had a relative with possible BWS (minor features only). Incomplete penetrance may lead to familial BWS being underdiagnosed.

Adolescent↗
PubMed1995

Clinical overlap of Beckwith-Wiedemann, Perlman and Simpson-Golabi-Behmel syndromes: a diagnostic pitfall.

We report on a child who died in the neonatal period. Major external anomalies included foetal overgrowth, macroglossia, and ambiguous genitalia (micropenis and perineoscrotal hypospadias with cryptorchidism). Necropsy showed a large right diaphragmatic hernia, visceromegaly, multicystic kidney dysplasia, Langerhans islet hyperplasia, nephroblastomatosis, multiple adrenal adenomas, and dysplastic testicles. The child illustrates the difficulties of the differential diagnosis of overgrowth syndromes in the neonatal period, and the phenotypic overlap of Beckwith-Wiedemann, Denys-Drash, Simpson-Golabi-Behmel, Perlman and possibly Meacham-Winn syndromes. Simpson-Golabi-Behmel syndrome was felt to be the most likely diagnosis. If this opinion is correct, genital ambiguity, hydramnios and nephroblastomatosis should be added to the clinical spectrum of Simpson-Golabi-Behmel syndrome. Differential diagnosis between the above-mentioned syndromes is of major importance for accurate genetic counseling, considering the differences in recurrence risk. The present case underlines the need for long-term survey of patients suspected of having Simpson-Golabi-Behmel syndrome, who could be at risk for embryonic tumours.

Abnormalities, Multiple↗
PubMed1987

Mucopolysaccharidoses and anaesthetic risks.

The purpose of this review is to asses the current knowledge of mucopolysaccharidosis (MPS), with reference to the serious complications which may arise in connection with anaesthesia and operation. MPS consists of a heterogeneous group of hereditary diseases which are characterized by an abnormal accumulation of mucopolysaccharides, especially in cartilaginous and bone tissue. Because of their progressive and disabling nature, frequent surgical intervention is common, and is associated with a high degree of per- and postoperative risk. The clinical manifestations of MPS are frequently dwarfism, scaphocephaly, grotesque facial features with snub nose, hypertelorism, macroglossia and dental anomalies. The chest is deformed by pectus carinatum or excavatum, club-formed ribs and kyphosis with gibbus. Furthermore, cardiomegaly, abdomen pendens, hepatosplenomegaly, umbilical hernia, corneal clouding, conductive deafness and subnormal intelligence are common findings. Prior to operation, patients should be thoroughly evaluated through clinical examination and laboratory investigations. In particular, lung function should be optimized by lung physiotherapy and treatment of airway infections. When inducing general anaesthesia, spontaneous respiration is recommended until the patient has been intubated, as airway anomalies, bleeding and salivation may make intubation extremely difficult. Local or regional anaesthesia is often preferable, though age and mental status are relative contraindications. When used in combination with careful sedation, many problems may be overcome. Postoperatively, it is important to treat stagnation of secretions and airway infections with lung physiotherapy positive end-expiratory pressure, and antibiotics. In connection with anesthesia, it is vital to monitor the patient carefully before, during and after anaesthesia.

Anesthesia↗
PubMed1994

Beckwith-Wiedemann syndrome: antenatal diagnosis.

The Beckwith-Wiedemann syndrome is an unusual complex with variable features. The major findings include abdominal wall defects, macroglossia and visceromegaly. These features should be amenable to antenatal ultrasound detection. Only a few such cases have been reported to date. Antenatal diagnosis allows optimum perinatal care. Hypoglycaemia in the neonatal period is common in these babies and requires early detection and appropriate management to prevent long-term intellectual complications. We present a case where the diagnosis was suggested prior to delivery.

Adult↗
PubMed1984

Oral anomalies in Nigerian children.

A total of 2203 Nigerian school-age children (10-19 yr) were examined clinically for the presence of oral anomalies. The following prevalence figures were found: commissural lip pits (2.9%), ankyloglossia (0.2%), geographic tongue (0.3%), fissured tongue (0.8%), torus palatinus (4.5%), torus mandibularis (1.9%), snowcap type amelogenesis imperfecta (0.2%), localized enamel hypomaturation (11.7%), missing lateral incisors (0.7%), and peg lateral incisors (1.5%). None of the following conditions was found: cleft chin, cleft lip, double lip, medium rhomboid glossitis, bifid tongue, macroglossia, cleft palate or cleft lip and palate.

Adolescent↗
PubMed1987

Developmental oral anomalies among schoolchildren in Gizan region, Saudi Arabia.

The present report gives prevalence values for some developmental oral anomalies in 1932 schoolchildren aged 6-12 yr in Gizan region, Saudi Arabia. The developmental oral anomalies identified in this study were: torus palatinus (1.4%), fissured tongue (0.8%), geographic tongue (0.2%), and tongue tie (0.1%). None of the following developmental oral anomalies were observed: lip pits, cleft lip and/or palate, torus mandibularis, microglossia, macroglossia or median rhomboid glossitis.

Child↗
PubMed1982

Insulin resistance in a child with Acanthosis nigricans type A.

The patient, a female 6 years 4 months old, diagnosed as affected by Acanthosis nigricans and diabetes mellitus was referred to our Clinic for further investigation of her glucose metabolism. She had a typical face with hypertelorism, prognathism, macroglossia and large auricles. The skin was hyperpigmented, verrucous, hyperkeratotic especially in the folds and flexural areas with small papillomatous or nodular growth; diffused hypertrichosis and hypertrophic clitoris were also present. Biochemical and hormonal investigations revealed no major abnormalities apart from glucose metabolism. After an unsuccessful trial with conventional insulin therapy, endovenous continuous insulin infusion was started: even with 32 U/kg/h it was not possible to achieve normoglycemia. Insulin receptors were studied on erythrocytes: 125I-insulin binding (specific) was clearly lower than normal. The concentration of insulin receptors was reduced, while the average affinity profile was normal. The study of erythrocyte insulin receptors has demonstrated that insulin resistance in this patient is due to a decrease in the number of receptors, i.e. Acanthosis nigricans type A.

Acanthosis Nigricans↗
PubMedDate not supplied

Use of dental implants in patients with Down syndrome: a case report.

Down syndrome is caused by trisomy of the 21st chromosome and is associated with well-described physical and systemic problems. Most people with Down syndrome have some degree of mental retardation as well as malformation of head and neck. Oral structures that are commonly affected include the tongue (macroglossia), abnormalities in the number and shape of teeth, and poor quality (osteoporotic-like) of alveolar bone and jaw. These oral malformations as well as a tendency toward poor cooperation in the dental office contribute to the belief among dentists that people with Down syndrome are not good candidates for oral rehabilitation with dental implants. This article describes the use of dental implants in the oral rehabilitation of a 16-year-old boy with Down syndrome. Although more experience is needed before dental implants can be considered a suitable option during oral rehabilitation in people with Down syndrome, this case report shows a promising beginning.

Adolescent↗
PubMedDate not supplied

Congenital hypothyroid dwarfism in a family of giant schnauzers.

Congenital hypothyroid dwarfism was diagnosed in a family of Giant Schnauzers. Three female and two male puppies from different litters were evaluated for dwarfism, lethargy, somnolence, gait abnormalities, and constipation. On physical examination, disproportionate dwarfism (n = 5), macroglossia (n = 3), hypothermia (n = 3), delayed dental eruption (n = 3), ataxia (n = 2), and abdominal distension (n = 1) were identified. Results of initial laboratory tests showed anemia (n = 4), hypercholesterolemia (n = 4), hypercalcemia (n = 2), and transudative abdominal effusion (n = 1). Radiographic skeletal surveys disclosed epiphyseal dysgenesis and delayed skeletal maturation (n = 5). A diagnosis of hypothyroidism was established on the basis of low basal serum thyroxine concentrations that failed to increase following the administration of TSH (n = 5) and markedly reduced to absent thyroid image when evaluated with gamma camera imaging of the thyroid gland (n = 4). In the two dogs that were most thoroughly evaluated, the results of thyroid histology, prolonged TSH testing, and repeat thyroid imaging, after three daily injections of TSH, were all consistent with secondary or tertiary, rather than primary, hypothyroidism. When TSH was administered over a period of 3 consecutive days (5 IU/day, subcutaneously), serum thyroid hormone response became normal and resulted in a normal thyroid image in the two dogs re-evaluated with gamma camera imaging. Daily treatment with oral levothyroxine (20 micrograms/kg) resulted in complete remission in puppies (n = 4) treated prior to 4 months of age. The other puppy failed to attain normal breed standards for height.(ABSTRACT TRUNCATED AT 250 WORDS)

Alkaline Phosphatase↗
PubMed1985

Amyloid arthropathy in patients undergoing periodical haemodialysis for chronic renal failure: a new complication.

Seven patients (five male and two female) with chronic renal failure (CRF) treated by periodical haemodialysis presented with swelling and effusion of more than three months' duration in knees (four bilateral), shoulders (two, one of them bilateral), elbow (one), and ankle (one). Four had a carpal tunnel syndrome both clinically and electromyographically (three bilateral). All patients had hyperparathyroidism secondary to their CRF, which was not due to amyloidosis in any of them. The dialysis duration period varied from five to 14 years, with an average of 8.6 years. Amyloid deposits (Congo red positive areas with green birefringence under polarising microscopy) were shown in six of the seven synovial biopsy specimens of the knee, in five of the sediments of the synovial fluids, and in specimens removed during carpal tunnel syndrome surgery. No amyloid was found in the biopsy specimen of abdominal fat of six of the patients. The finding of amyloid only in the synovial membrane and fluid, and carpal tunnel, its absence in abdominal fat, and the lack of other manifestations of generalised amyloidosis (cardiomyopathy, malabsorption syndrome, macroglossia, etc.) and of Bence Jones myeloma (protein immunoelectrophoresis normal) raises the possibility that this is a form of amyloidosis which is peculiar to CRF treated by periodical haemodialysis.

Adult↗
PubMed2001

Concomitant diagnosis of primary Sjögren's syndrome and systemic AL amyloidosis.

A 48 year old woman was referred to hospital for buccal discomfort. Physical examination showed a macroglossia and features of xerostomia. She was diagnosed as having primary Sjögren's syndrome according to the criteria proposed by the European Community study group in 1993. Furthermore, a lower lip salivary gland biopsy showed amyloid deposits that were also seen in the stomach and in the bone marrow. Echocardiography was consistent with cardiac amyloidosis. Serum immunofixation identified a monoclonal IgGlambda. As far as is known, this is the first report of systemic primary amyloidosis associated with Sjögren's syndrome. The relation between these two disorders is discussed.

Amyloid↗
PubMed2005

Disruption of the gene Euchromatin Histone Methyl Transferase1 (Eu-HMTase1) is associated with the 9q34 subtelomeric deletion syndrome.

BACKGROUND: A new syndrome has been recognised following thorough analysis of patients with a terminal submicroscopic subtelomeric deletion of chromosome 9q. These have in common severe mental retardation, hypotonia, brachycephaly, flat face with hypertelorism, synophrys, anteverted nares, thickened lower lip, carp mouth with macroglossia, and conotruncal heart defects. The minimum critical region responsible for this 9q subtelomeric deletion syndrome (9q-) is approximately 1.2 Mb and encompasses at least 14 genes. OBJECTIVE: To characterise the breakpoints of a de novo balanced translocation t(X;9)(p11.23;q34.3) in a mentally retarded female patient with clinical features similar to the 9q- syndrome. RESULTS: Sequence analysis of the break points showed that the translocation was fully balanced and only one gene on chromosome 9 was disrupted--Euchromatin Histone Methyl Transferase1 (Eu-HMTase1)--encoding a histone H3 lysine 9 methyltransferase (H3-K9 HMTase). This indicates that haploinsufficiency of Eu-HMTase1 is responsible for the 9q submicroscopic subtelomeric deletion syndrome. This observation was further supported by the spatio-temporal expression of the gene. Using tissue in situ hybridisation studies in mouse embryos and adult brain, Eu-HMTase1 was shown to be expressed in the developing nervous system and in specific peripheral tissues. While expression is selectively downregulated in adult brain, substantial expression is retained in the olfactory bulb, anterior/ventral lateral ventricular wall, and hippocampus and weakly in the piriform cortex. CONCLUSIONS: The expression pattern of this gene suggests a role in the CNS development and function, which is in line with the severe mental retardation and behaviour problems in patients who lack one copy of the gene.

Abnormalities, Multiple↗