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PubMed2006

Euthyroid goitre and sleep apnea.

A number of predisposing factors (obesity, nasal obstruction, adenoidal hypertrophy, macroglossia, etc) have been related to obstructive sleep apnea syndrome (OSAS). In addition hypothyroidism and large goitres have been reported to be associated to OSAS, but this association has not been adequately studied. We describe an obese patient with euthyroid goitre associated with OSAS. The patient showed a body mass index (BMI) of 47 and a large neck with a circumference of 60 cm. The flow-volume curve demonstrated an expiratory plateau suggesting an intrathoracic upper airway obstruction. Arterial blood gas analysis results were: pH 7.39; PCO2 54.2 mmHg; P O2 47 mmHg. Nocturnal polisomnography showed an apnea/hypopnea index (AHI) of 31 episodes/hour. Upper airway collapse was overcome by a nasal continuous positive airway pressure (nCPAP) of 14 cmH2O. Weight loss obtained by a hypocaloric diet was not accompanied by any OSAS improvement. After thyroidectomy, a nCPAP of 4 cmH2O was sufficient to prevent upper airway closure. Discontinuation of nCPAP treatment for 4 consecutive nights did not determine worsening of sleep apnea symptoms, nor a worsening of overnight oxymetry. A new polysomnography carried out after 4 nights off nCPAP showed an AHI of 33 episodes/hour. OSAS should be suspected in patients with large goitres. Decisions regarding discontinuation of nCPAP treatment after thyroidectomy should be based on polisomnographic results.

Aged↗
PubMedDate not supplied

Cutaneous manifestations in patients with chronic renal failure on hemodialysis.

BACKGROUND: Chronic renal failure (CRF) presents with an array of cutaneous manifestations. Newer changes are being described since the advent of hemodialysis, which prolongs the life expectancy, giving time for these changes to manifest. AIM: The aim of this study was to evaluate the prevalence of dermatologic problems among patients with chronic renal failure (CRF) undergoing hemodialysis. METHODS: One hundred patients with CRF on hemodialysis were examined for cutaneous changes. RESULTS: Eighty-two per cent patients complained of some skin problem. However, on examination, all patients had at least one skin lesion attributable to CRF. The most prevalent finding was xerosis (79%), followed by pallor (60%), pruritus (53%) and cutaneous pigmentation (43%). Other cutaneous manifestations included Kyrle's disease (21%); fungal (30%), bacterial (13%) and viral (12%) infections; uremic frost (3%); purpura (9%); gynecomastia (1%); and dermatitis (2%). The nail changes included half and half nail (21%), koilonychia (18%), onychomycosis (19%), subungual hyperkeratosis (12%), onycholysis (10%), splinter hemorrhages (5%), Mees' lines (7%), Muehrcke's lines (5%) and Beau's lines (2%). Hair changes included sparse body hair (30%), sparse scalp hair (11%) and brittle and lusterless hair (16%). Oral changes included macroglossia with teeth markings (35%), xerostomia (31%), ulcerative stomatitis (29%), angular cheilitis (12%) and uremic breath (8%). Some rare manifestations of CRF like uremic frost, gynecomastia and pseudo-Kaposi's sarcoma were also observed. CONCLUSIONS: CRF is associated with a complex array of cutaneous manifestations caused either by the disease or by treatment. The commonest are xerosis and pruritus and the early recognition of cutaneous signs can relieve suffering and decrease morbidity.

Adolescent↗
PubMedDate not supplied

Multiple endocrine neoplasia and polyglandular autoimmune syndrome: a new association.

OBJECTIVE: To report a new association between polyglandular autoimmune syndrome and multiple endocrine neoplasia. METHODS: We present a detailed case report and discuss the various types of polyglandular failure and multiple endocrine neoplasia. RESULTS: A 56-year-old woman with a past history of primary hypothyroidism and impaired glucose tolerance was admitted to the hospital for removal of renal staghorn calculi. In addition to the presence of mucocutaneous candidiasis, vitiligo, and macroglossia, the patient was found to have truncal obesity, a "buffalo hump," and supraclavicular fat pads. Subsequent workup confirmed the presence of Cushing's disease and primary hyperparathyroidism. CONCLUSION: A hitherto unreported association between polyglandular autoimmune syndrome type II and multiple endocrine neoplasia type I is documented in our current patient.

Journal Article↗
PubMed2004

Bilateral benign haemorrhagic adrenal cysts in Beckwith-Wiedemann syndrome: case report.

Beckwith-Wiedemann syndrome is the most common overgrowth malformation syndrome. The classical features include macrosomia, macroglossia, omphalocele and ear lobe anomalies. Among the associated adrenal anomalies, foetal cortical cytomegaly, outer cortical haemorrhage and unilateral benign cysts are well described. A term neonate was admitted with typical features of the syndrome. Radiological evaluation revealed a rare association of bilateral benign hamorrhagic adrenal cysts. Serial sonography confirmed hamorrhage into benign cysts and ruled out neoplasms. Only one similar case has been documented in the literature previously.

Adrenal Gland Diseases↗
PubMed1999

Renal findings on radiological followup of patients with Beckwith-Wiedemann syndrome.

PURPOSE: The Beckwith-Wiedemann syndrome is most commonly characterized by macroglossia and abdominal wall defect(s), and it carries a predisposition to embryonal tumors, including Wilms tumor. We report our experience with the character and incidence of renal disease in patients with the Beckwith-Wiedemann syndrome, and discuss the role of radiological followup. MATERIALS AND METHODS: We reviewed the medical records of all patients diagnosed with the Beckwith-Wiedemann syndrome who were treated at our institution between March 1979 and February 1998. Radiological followup consisted of renal ultrasound at approximately 3 to 6-month intervals with the addition of computerized tomography or magnetic resonance imaging (MRI) in patients with an indeterminate lesion(s) or nephrogenic rest(s). RESULTS: A total of 29 patients were identified. Of these cases renal ultrasound showed normal kidneys bilaterally in 19 (70%), simple cysts in 5 (19%), indeterminate lesion(s) in 2 (7%) and nephrocalcinosis in 1 (4%). Nephrogenic rests were followed with MRI in 1 patient, and 1 in whom a 2 cm. mass was revealed by followup MRI underwent partial nephrectomy and chemotherapy for stage I Wilms tumor. CONCLUSIONS: The 3.7% incidence of Wilms tumor in our patients with the Beckwith-Wiedemann syndrome is similar to that in previously published reports. Aggressive follow-up by a sensitive radiological technique is warranted in cases of the Beckwith-Wiedemann syndrome, and associated hemihypertrophy and/or nephromegaly with or without evidence of a Wilms tumor precursor. The detection of suspected malignant disease at an early stage may permit curative nephron sparing surgery.

Adolescent↗
PubMed1999

Clinical aspects of multiple myeloma and related disorders including amyloidosis.

Multiple myeloma is characterized by the presence of bone pain, weakness, and fatigue. Ninety-eight percent of patients have an M-protein in the serum or urine at the time of diagnosis. Skeletal roentgenograms are abnormal in nearly 80%. Renal insufficiency (creatinine > or = 2 mg/dL) is present in one-fourth. The major causes of renal insufficiency are "myeloma kidney" and hypercalcemia. The diagnosis of multiple myeloma depends upon the presence of more than 10% plasma cells or a plasmacytoma plus an M-protein in the serum or urine or lytic bone lesions. Multiple myeloma must be differentiated from monoclonal gammopathy of undetermined significance and smoldering multiple myeloma. The plasma cell labeling index and the presence of circulating plasma cells in the peripheral blood are helpful in the differential diagnosis. Plasma cell leukemia, osteosclerotic myeloma (POEMS syndrome), and plasmacytomas are discussed. The heavy-chain diseases consist of alpha, gamma, and mu heavy-chain disease. The fibrils of primary amyloidosis consist of kappa or lambda monoclonal light chains. Weakness, fatigue, and weight loss are the most frequent symptoms. Macroglossia occurs in 10%. An M-protein is found in the serum or urine in 90%. The presence of nephrotic syndrome, renal insufficiency, congestive heart failure, orthostatic hypotension, or sensorimotor peripheral neuropathy, and an M-protein in the serum or urine suggest the possibility of primary amyloidosis. The diagnosis depends upon the demonstration of amyloid in tissues. The subcutaneous fat aspirate is positive in 80% while the bone marrow is positive in 55%. If these tissues are negative, one should obtain tissue from an involved organ.

Amyloidosis↗
PubMed1999

[Symmetrical benign lipomatosis of the tongue and Launois-Bensaude lipomatosis].

BACKGROUND: There are many causes of macroglossia, including fatty infiltration. Unlike unique or multiple lipomas of the tongue, non-encapsulated adipocyte masses develop in the tongue in symmetrical benign lipomatosis. Only six cases have been reported in the literature. CASE REPORT: A 69-year-old man with a history of chronic alcoholism developed a soft tumefied formation on the lateral margins of the tongue. A yellow-colored content was perceived through the thin mucosa. The formation was bilateral and had developed for more than 10 years. The patient also presented Launois-Bensaude lipomatosis localized on the neck, the nuchal region and the shoulders. DISCUSSION: This is, to our knowledge, the first reported case of symmetrical benign lipomatosis associated with Launois-Bensaude lipomatosis. An analogy between these two conditions has been suggested, but the six earlier cases of lipomatosis of the tongue reported in the literature developed in patients without cutaneous lipomatosis.

Aged↗
PubMed1999

Analysis of germline CDKN1C (p57KIP2) mutations in familial and sporadic Beckwith-Wiedemann syndrome (BWS) provides a novel genotype-phenotype correlation.

Beckwith-Wiedemann syndrome (BWS) is a human imprinting disorder with a variable phenotype. The major features are anterior abdominal wall defects including exomphalos (omphalocele), pre- and postnatal overgrowth, and macroglossia. Additional less frequent complications include specific developmental defects and a predisposition to embryonal tumours. BWS is genetically heterogeneous and epigenetic changes in the IGF2/H19 genes resulting in overexpression of IGF2 have been implicated in many cases. Recently germline mutations in the cyclin dependent kinase inhibitor gene CDKN1C (p57KIP2) have been reported in a variable minority of BWS patients. We have investigated a large series of familial and sporadic BWS patients for evidence of CDKN1C mutations by direct gene sequencing. A total of 70 patients with classical BWS were investigated; 54 were sporadic with no evidence of UPD and 16 were familial from seven kindreds. Novel germline CDKN1C mutations were identified in five probands, 3/7 (43%) familial cases and 2/54 (4%) sporadic cases. There was no association between germline CDKN1C mutations and IGF2 or H19 epigenotype abnormalities. The clinical phenotype of 13 BWS patients with germline CDKN1C mutations was compared to that of BWS patients with other defined types of molecular pathology. This showed a significantly higher frequency of exomphalos in the CDKN1C mutation cases (11/13) than in patients with an imprinting centre defect (associated with biallelic IGF2 expression and H19 silencing) (0/5, p<0.005) or patients with uniparental disomy (0/9, p<0.005). However, there was no association between germline CDKN1C mutations and risk of embryonal tumours. No CDKN1C mutations were identified in six non-BWS patients with overgrowth and Wilms tumour. These findings (1) show that germline CDKN1C mutations are a frequent cause of familial but not sporadic BWS, (2) suggest that CDKN1C mutations probably cause BWS independently of changes in IGF2/H19 imprinting, (3) provide evidence that aspects of the BWS phenotype may be correlated with the involvement of specific imprinted genes, and (4) link genotype-phenotype relationships in BWS and the results of murine experimental models of BWS.

Beckwith-Wiedemann Syndrome↗
PubMedDate not supplied

[Massive hyperplasia of the arytenoid mucosa with sleep apnea and stridor. Endoscopic resection by CO2 laser].

A case is presented of a 48 year-old woman with symptoms of severe rhoncopathy and obstructive sleep apnea, followed by middle inspiratory stridor and dyspnea to any phisial effort. Redundant hyperplasia of the arytenoid mucosa was discovered during exploration, with vibration during inspiration and closure of the lumen as it goes closer to the epiglottis. Also, severe septal deviation, hypertrophy of the pharyngeal tonsil, soft palate and uvula, and macroglossia, were diagnosed. Neither CPAP/BIAP or triple anti-reflux therapy were effective, and laser endoscopic excision resolved the laryngeal obstruction. Currently the stridor has disappeared, whereas rhoncopathy is improved with low pressure CPAP. Pathogenesis of the giant hyperplasia of the arytenoid mucosa of unknown origin is discussed, as literature search revealed only three cases reported worldwide.

Arytenoid Cartilage↗
PubMed1999

[Sudden death by sleep apnea syndrome associated with myxedema. A case report and a review of the literature].

The case is presented of a 48-year old, slightly overweight, brachymorphic male affected by undiagnosed myxedema, admitted for nocturnal dyspnea present for several years but worsened in the last few weeks. At the age of 19, a paranoid schizophrenia diagnosis was indicated leading to repeated admissions to psychiatric hospitals and continued pharmacological therapy. His sensorium was lucid albeit with a slight psycho-motor slowing down; pharyngeal edema and macroglossia were also apparent, blood O2 saturation was 97%. After the first emergency exams, a hypothyroid condition associated with multinodular goiter and tracheal dislocation was found. Administration of triiodothyronine p.o. and hydrocortisone i.v. was thus initiated. In the doubt of sleep apnea syndrome (SAS) occurrence, pulse oximetry was performed, but after 7 hours, the patient suddenly deceased. Data showed waves of deep O2 desaturation secondary to periods of prolonged apnea. A literature review shows that such a case has never been reported. A posteriori analysis of the patient's clinical management indicates that the obstructive form of SAS, associated with myxedema is a condition which needs to be promptly diagnosed; due to the possible seriousness of its functional evolution, the need for intensive or sub-intensive therapy, with continuous nasal airway positive pressure or with oro-tracheal intubation and assisted ventilation, should be carefully taken into consideration; continuous cardiac monitoring should also be carried out, given the risk for acute coronary complications and ventricular arrhythmias in the early phases of substitutive therapy with thyroid hormone.

Death, Sudden↗
PubMed2000

[Pathogenesis and types of neonatal diabetes].

Studies on pathogenesis of neonatal diabetes may lead to better understanding of pancreatic beta-cell maturation and regulation of insulin secretion. The purpose of this study was to examine the clinical course, immunologic and genetic background of the transient and permanent form of neonatal diabetes. Clinical data (onset and duration of diabetes, C peptide levels, duration of insulin treatment, associated disorders) were collected, islet cell specific antibodies (islet cell antibody and glutamate decarboxylase antibody) were determined and genetic analyses (HLA DQA1-DQB1 typing and microsatellite mapping on chromosome 6) were performed in three patients with permanent and three patients with transient neonatal diabetes. None of the six patients had HLA DQ diabetes susceptibility alleles and most infants were negative for islet cell autoantibodies indicating that no pancreatic islet-cell specific autoimmunity exists in the two forms of neonatal diabetes mellitus. Complete paternal uniparental isodisomy of chromosome 6 has been identified in a transient neonatal diabetes case with macroglossia. The permanent neonatal diabetes cases and the other two cases with transient form did not possess this chromosome anomaly. It is concluded, that none of the two forms neonatal diabetes is of autoimmune origin. They have different genetic background and represent different disease entities. Transient neonatal diabetes is probably caused by alteration of expression of an imprinted gene on chromosome 6 which might play role in fetal growth and pancreatic beta-cell maturation and insulin secretion. Permanent neonatal diabetes is probably a more heterogenous phenotype, the cause of which remains to be clarified in the future.

Autoantibodies↗
PubMed2000

Analysis of the spectrum of malformations in human fetuses of the second and third trimester of pregnancy with human triploidy.

Triploidy is constituted by an extra haploid set of chromosomes for a total of 69 chromosomes in humans. A "parent-of-origin" effect has been demonstrated by analysis of cytogenetic polymorphisms of triploidy pregnancies. Two distinct phenotypes of human triploid fetuses have been recognized according to the parental origin of the extra haploid set. The first one or triploidy of diandric type occurs when the extra haploid set of chromosomes arises from the father, the second one or triploidy of digynic type occurs when the extra haploid set of chromosomes arises from the mother. Diandric fetuses appear relatively well grown with a large placenta, while digynic fetuses show intrauterine growth retardation with a small placenta. Autopsy archive data files (1982-1998) of the Institute of Pathology, University of Heidelberg (Germany) were examined for fetuses with triploidy. We found 12 well-studied triploid fetuses (gestational age: 20 to 32 weeks). Eleven fetuses corresponded to the digynic type of triploidy and one fetus corresponded to the diandric type of triploidy. The spectrum of external malformations included a dysmorphic face (broad root of the nose, exophthalmos, low-set ears, micro-/retrognathia, microgenia, median cleft lip and/or palate, gnathoschisis, macroglossia), encephalocele, spina bifida, syndactyly, club or rocker-bottom feet, pes equino-valgus. More common internal malformations included ventricular septum defect of the heart, abnormal lobation of the lungs, and renal disease (agenesis, cysts).

Abnormalities, Multiple↗
PubMed2001

[The Wiedemann-Beckwith syndrome and a congenital cataract].

Wiedemann-Beckwith syndrome is a congenital syndrome with characteristic abnormalities: omphalocele, macroglossia, neonatal gigantism, visceromegaly, hemihypertrophy and a predisposition to embryonic tumors. Ophthalmologic abnormalities have not been described with Wiedemann-Beckwith syndrome. The authors report one case of Wiedemann-Beckwith syndrome associated with bilateral congenital cataract. Family studies indicate linkage of the Wiedemann-Beckwith syndrome locus to the marker 11p15,5. The genetics of cataract is heterogenic. Several mutations responsible for congenital cataract have been described. The association of the Wiedemann-Beckwith syndrome and cataract may contribute to the understanding of the genetics of congenital cataract.

Beckwith-Wiedemann Syndrome↗
PubMed2001

[Anesthetic management of a patient with Dyggve-Melchior-Clausen syndrome].

The Dyggve-Melchior-Clausen syndrome (DMCS) is a rare autosomal recessive skeletal dysplasia characterized by short-trunk dwarfism and mental retardation. A 49-year-old male with DMCS underwent resection arthroplasty for contracture of the right hip joint under general anesthesia using thiamylal, nitrous oxide, sevoflurane, and vecuronium. Although he was assumed to have difficult airway due to short neck, macroglossia, and disturbance of neck flexion, tracheal intubation was not difficult. No complications including malignant hyperthermia were observed during the 95 min of the operation.

Abnormalities, Multiple↗
PubMed2001

[Propofol-fentanyl anesthesia for a 13-year-old patient with Beckwith-Wiedemann syndrome].

We report anesthetic management of a 13-year-old boy with Beckwith-Wiedemann syndrome for urethral fistulectomy using propofol-fentanyl anesthesia. The syndrome has three major symptoms; exomphalos, macroglossia and gigantism. Other complications including neonatal hypoglycemia, visceromegaly, metabolic disorders, malignant tumors, and cardiovascular abnormalities may also be seen. This patient was complicated with gigantism, exomphalos, hypospadias, cryptorchidism, hepatoblastoma, accessory mammae, and left axis deviation with left anterior fascicular block. A comprehensive preoperative examination should include assessment of the airway, cardiovascular conditions, endocrine status, blood glucose, and electrolytes. In this patient, airway management was easy by laryngeal mask airway and the anesthetic course was uneventful.

Adolescent↗
PubMed1998

[Clinicopathological and diagnostic study of amyloidosis of oral maxillofacial area].

OBJECTIVE: To study the clinicopathological features of amyloidosis studied in oral maxillofacial area and the diagnostic methods. METHODS: HE staining and staining of alkaline Congo red, Immunohistochemical staining, Sections examined by transmitted and polarized light microscopy, Transmitted electron microscopy. RESULTS: 14 cases of the disease were reported. Clinically, the patients usually had progressive enlargement and solidness of the tongue (macroglossia, 12 cases), hard nodules or cords of the cheek and lip mucosa (8 cases), single or multiple hard masses of submandibular and submental areas (6 cases), and ecchymosis or petechiae of the face, neck, chest or oral mucosa. Microscopically, the disease is characterized by the even pink amyloid protein deposit in the soft tissues and the wall of blood vessles, which shows positive staining of alkaline Congo red, Immunohistochemical staining can differentiate the primary amyloidosis from secondary one. Ultrastructurally, Amyloid protein appeares as felt-like finely filament. CONCLUSION: Amyloidosis involving in oral maxillofacial area mainly arise in tongue, less frequently, in buccal and lip mucosa, salivary glands. It is not difficulty to dignosis the disease by HE staining combining with staining of alkaline Congo red and other specific staining methods. Ultrastructural and immunohistochemical study is helpful to make show the dignosis.

Adult↗
PubMed1975

Trisomy of the distal third of the long arm of chromosome 10. Report of a new case due to a familial translocation t(10;18) (q24;p11).

A new case of trisomy of the distal third of the long arm of chromosome 10 due to familial translocation t(10;18) (q24;p11) is described. The main clinical and radiological signs may be summarized as follows: growth at lower limits of normal; poor facial expression; round, flat face with high, broad forehead, fine, highly arched eyebrows, pseudohyperthelorism, microphthalmia, flat, broad bridged nose, hypoplasia of the bony structures of the central area of the face, "fish mouth", macroglossia, micrognathia; short neck; marked dextroconvex lumbar scoliosis; psychomotor delay of mild degree; selective, more pronounced speech delay. Our observation confirms the suggestion by Yunis and Sanchez that a clinical syndrome corresponds to this chromosomal alteration. However, some interesting differences from the previously reported cases, i.e., the absence of microcephaly and of severe impairment of growth and psychomotor development induce us to establish a more favorable prognosis in our case.

Abnormalities, Multiple↗
PubMed2001

[Acromegaly and sleep apnoea syndrome--case report].

We studied 65-year old, obese man suspected of obstructive sleep apnoea. He gave a history of loud snoring and excessive daytime sleepiness. We confirmed sleep apnoea syndrome during limited polysomnography with Polymesam (RDI--45/h, ODI--47/h). Patient had mainly obstructive episodes, however central and mixed apnoeas constituted about 1/3 of all episodes. During hospitalization we observed exacerbation of coronary artery disease and diagnosed diabetes. Patient's coarsened facial features, macroglossia and large hands led us to suspect acromegaly. Brain MR study revealed small pituitary adenoma. Plasma GH and IGF-1 concentrations were increased. Active acromegaly was diagnosed and was proposed a surgical treatment but he refused. Symptoms of sleep apnoea relieved after CPAP treatment. After one year patient's condition remained stable.

Acromegaly↗