Ekbom Syndrome: A Delusional Condition of "Bugs in the Skin"
Summary of "Ekbom Syndrome: A Delusional Condition of "Bugs in the Skin""
Entomologists estimate that more than 100,000 Americans suffer from "invisible bug" infestations, a condition known clinically as Ekbom syndrome (ES), although the psychiatric literature dubs the condition "rare." This illustrates the reluctance of ES patients to seek mental health care, as they are convinced that their problem is bugs. In addition to suffering from the delusion that bugs are attacking their bodies, ES patients also experience visual and tactile hallucinations that they see and feel the bugs. ES patients exhibit a consistent complex of attributes and behaviors that can adversely affect their lives.
Department of Entomology, University of Georgia, 120 Cedar Street, Athens, GA, 30602-2603, USA, firstname.lastname@example.org.
This article was published in the following journal.
Name: Current psychiatry reports
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21344286
- DOI: http://dx.doi.org/10.1007/s11920-011-0188-0
Medical and Biotech [MESH] Definitions
A culture-specific acute delusional syndrome occurring mostly in the Malay people and Southern Chinese. The syndrome is characterized by the individual's sudden experience of depersonalization depicted by the belief that his penis is shrinking into his abdomen and that he will die when this occurs. Although generally classified as a culture-specific syndrome, koro may be no more than a variant of castration anxiety (ANXIETY, CASTRATION) as it has been described in non-Asian patients.
Chronic mental disorders in which there has been an insidious development of a permanent and unshakeable delusional system (persecutory delusions or delusions of jealousy), accompanied by preservation of clear and orderly thinking. Emotional responses and behavior are consistent with the delusional state.
An autosomal dominant inherited disorder (with a high frequency of spontaneous mutations) that features developmental changes in the nervous system, muscles, bones, and skin, most notably in tissue derived from the embryonic NEURAL CREST. Multiple hyperpigmented skin lesions and subcutaneous tumors are the hallmark of this disease. Peripheral and central nervous system neoplasms occur frequently, especially OPTIC NERVE GLIOMA and NEUROFIBROSARCOMA. NF1 is caused by mutations which inactivate the NF1 gene (GENES, NEUROFIBROMATOSIS 1) on chromosome 17q. The incidence of learning disabilities is also elevated in this condition. (From Adams et al., Principles of Neurology, 6th ed, pp1014-18) There is overlap of clinical features with NOONAN SYNDROME in a syndrome called neurofibromatosis-Noonan syndrome. Both the PTPN11 and NF1 gene products are involved in the SIGNAL TRANSDUCTION pathway of Ras (RAS PROTEINS).
22q11 Deletion Syndrome
Condition with a variable constellation of phenotypes due to deletion polymorphisms at chromosome location 22q11. It encompasses several syndromes with overlapping abnormalities including the DIGEORGE SYNDROME, VELOCARDIOFACIAL SYNDROME, and CONOTRUNCAL AMOMALY FACE SYNDROME. In addition, variable developmental problems and schizoid features are also associated with this syndrome. (From BMC Med Genet. 2009 Feb 25;10:16) Not all deletions at 22q11 result in the 22q11deletion syndrome.
Spina Bifida Occulta
A common congenital midline defect of fusion of the vertebral arch without protrusion of the spinal cord or meninges. The lesion is also covered by skin. L5 and S1 are the most common vertebrae involved. The condition may be associated with an overlying area of hyperpigmented skin, a dermal sinus, or an abnormal patch of hair. The majority of individuals with this malformation are asymptomatic although there is an increased incidence of tethered cord syndrome and lumbar SPONDYLOSIS. (From Joynt, Clinical Neurology, 1992, Ch55, p34)
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