PubMed · 13949575
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M GOULON, M HAGUENEAU. 1963-06-30. [Coma].. https://pubmed.ncbi.nlm.nih.gov/13949575/
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INTRODUCTION: Solitary fibrous tumor of the pleura (TFSP) is rare. When associated with hypoglycemia it is commonly referred to as Doege-Potter syndrome. CASE: A 51-year-old man was hospitalized for recurrent near-syncope associated with hypoglycemia. Clinical examination and then thoracic imaging clearly showed anomalies that corresponded to a mass occupying the entire left hemithorax. After resection, histological analysis diagnosed a fibrous tumor of the pleura. DISCUSSION: Solitary fibrous tumors of the pleura are observed most often in patients aged 50 and 70 years. Hypoglycemia is rare, occurring in approximately 4% of cases. It is explained by the abnormal secretion of a type-II insulin-like growth factor. This tumor is treated by complete surgical excision.
Stupor is a condition from which the subject can be aroused only by vigorous stimuli. Most patients with stupor have a diffuse organic cerebral dysfunction. Rarely stupor is recurrent and no specific causes can be found. Patients with idiopathic recurrent stupor were awakened by i.v. administration of an antagonist (flumazenil) of the benzodiazepine recognition site located in the GABA(A) receptor. Since no exogenous benzodiazepines were detected in plasma and cerebrospinal fluid by high performance liquid chromatography, an excess of endogenous benzodiazepine-like compounds (endozepines) was proposed as the cause of stupor. The existence of endozepines, their widespread distribution in the CNS and their involvement in hepatic encephalopathy are established. However, the origin of these compounds, how biosynthesis occurs and the mechanisms and causes through which they alter brain functions are poorly understood. The fact that a number of synthetic benzodiazepines are difficult to detect using conventional techniques and the discovery that some cases of recurrent stupor were caused by fraudulent administration of lorazepam question whether the concept of endozepine recurrent stupor can be sustained. This review summarizes the state of endozepine physiology and pharmacology and the clinical syndromes attributed to their involvement. A diagnostic work-up to define endozepine-induced recurrent stupor is suggested.
The various aspects of primary thyroid insufficiency are presented. Subclinical hypothyroidism is a special condition the prevalence of which is increasing. In the face of a growing concern of the population, subclinical hypothyroidism receives much attention from endocrinologists and internists but despite recent recommendations therapeutic strategies are not clear enough yet. The question of the feasibility of the systematic screening, at least in predisposed people, for hypothyroidism is under study. Overt hypothyroidism which is usually preceded by a long phase of subclinical hypothyroidism is therefore presentable if substitutive treatment is given early enough. Occasional patients, however, may rich the level of profound hypothyroidism unnoticed. The modalities of treatment of over hypothyroidism are described. Latrogenic hypothyroidism is also described. Finally, myxoedema coma is discussed not because its prevalence, which is very low, but because this condition may be forgotten.