Posterior fossa dermoid cysts causing cerebellar abscesses. 2007

Feyza Karagöz Güzey, and N Serdar Bas, and Altay Sencer, and Erhan Emel, and M Kemal Hamamcioglu, and Nezih Ozkan, and Kemal Hepgul, and Abdurrahman Aycan
Department of Neurosurgery, Vakif Gureba Training Hospital, Istanbul, Turkey. fkarag@yahoo.com

Dermoid cysts are uncommon tumors, and posterior fossa dermoid cysts may rarely cause abscess formation or formation of daughter abscesses within the cerebellum. At present, there are only 16 cases with posterior fossa dermoid cysts causing cerebellar abscesses reported in the literature. Two cases, 22 and 14 months old, with posterior fossa dermoid cysts and dermal sinus causing multiple cerebellar abscesses are reported. In the first one, there was also marked hydrocephalus. Retrospective examination of the patients revealed pinpoint-sized dimples in their suboccipital regions. Both patients were treated with antibiotics and underwent posterior fossa surgery. In the patient with marked hydrocephalus, ventriculoperitoneal shunting was performed after treatment of the infection. Both patients were neurologically normal, and there were no complaints, except a light learning difficulty in the patient with ventriculoperitoneal shunting, 133 and 34 months after surgery, respectively. Early detection of congenital dermal abnormalities along the craniospinal axis by routine examination of newborns is highly important before development of serious complications. Because surgery is the only effective treatment modality for these lesions, radical excision should be performed in all cases to avoid tumor recurrence. However, subtotal excision may be performed in selected cases, because the cyst capsule may adhere firmly to vital structures.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D001922 Brain Abscess A circumscribed collection of purulent exudate in the brain, due to bacterial and other infections. The majority are caused by spread of infected material from a focus of suppuration elsewhere in the body, notably the PARANASAL SINUSES, middle ear (see EAR, MIDDLE); HEART (see also ENDOCARDITIS, BACTERIAL), and LUNG. Penetrating CRANIOCEREBRAL TRAUMA and NEUROSURGICAL PROCEDURES may also be associated with this condition. Clinical manifestations include HEADACHE; SEIZURES; focal neurologic deficits; and alterations of consciousness. (Adams et al., Principles of Neurology, 6th ed, pp712-6) Brain Abscess, Child,Brain Abscess, Multiple,Brain Abscess, Pyogenic,Brain Abscess, Sterile,Cerebral Abscess,Abscess, Brain,Abscess, Cerebral,Abscess, Child Brain,Abscess, Multiple Brain,Abscess, Pyogenic Brain,Abscesses, Cerebral,Abscesses, Multiple Brain,Brain Abscesses,Brain Abscesses, Multiple,Brain Abscesses, Pyogenic,Brain Abscesses, Sterile,Cerebral Abscesses,Child Brain Abscess,Multiple Brain Abscess,Multiple Brain Abscesses,Pyogenic Brain Abscess,Pyogenic Brain Abscesses,Sterile Brain Abscess,Sterile Brain Abscesses
D002526 Cerebellar Diseases Diseases that affect the structure or function of the cerebellum. Cardinal manifestations of cerebellar dysfunction include dysmetria, GAIT ATAXIA, and MUSCLE HYPOTONIA. Cerebellar Dysfunction,Cerebellum Diseases,Cerebellar Disorders,Cerebellar Syndromes,Cerebellar Disease,Cerebellar Disorder,Cerebellar Dysfunctions,Cerebellar Syndrome,Cerebellum Disease,Disease, Cerebellar,Disease, Cerebellum,Disorder, Cerebellar,Dysfunction, Cerebellar,Syndrome, Cerebellar
D003884 Dermoid Cyst A tumor consisting of displaced ectodermal structures along the lines of embryonic fusion, the wall being formed of epithelium-lined connective tissue, including skin appendages, and containing keratin, sebum, and hair. (Stedman, 25th ed) Dermoid,Cyst, Dermoid,Cysts, Dermoid,Dermoid Cysts,Dermoids
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013290 Streptococcal Infections Infections with bacteria of the genus STREPTOCOCCUS. Group A Strep Infection,Group A Streptococcal Infection,Group A Streptococcal Infections,Group B Strep Infection,Group B Streptococcal Infection,Group B Streptococcal Infections,Infections, Streptococcal,Infection, Streptococcal,Streptococcal Infection
D015192 Infratentorial Neoplasms Intracranial tumors originating in the region of the brain inferior to the TENTORIUM CEREBELLI, which contains the cerebellum, FOURTH VENTRICLE; CEREBELLOPONTINE ANGLE; BRAIN STEM, and related structures. Primary tumors of this region are more frequent in children, and may present with ATAXIA; CRANIAL NERVE DISEASES; vomiting; HEADACHE; HYDROCEPHALUS; or other signs of neurologic dysfunction. Relatively frequent histologic subtypes include TERATOMA; MEDULLOBLASTOMA; GLIOBLASTOMA; ASTROCYTOMA; EPENDYMOMA; CRANIOPHARYNGIOMA; and choroid plexus papilloma (PAPILLOMA, CHOROID PLEXUS). Infratentorial Tumors,Posterior Fossa Neoplasms,Benign Infratentorial Neoplasms,Infratentorial Cancer,Infratentorial Neoplasms, Benign,Infratentorial Neoplasms, Malignant,Malignant Infratentorial Neoplasms,Neoplasms, Infratentorial,Neoplasms, Posterior Fossa,Posterior Fossa Tumors,Benign Infratentorial Neoplasm,Cancer, Infratentorial,Infratentorial Cancers,Infratentorial Neoplasm,Infratentorial Neoplasm, Benign,Infratentorial Neoplasm, Malignant,Infratentorial Tumor,Malignant Infratentorial Neoplasm,Neoplasm, Benign Infratentorial,Neoplasm, Infratentorial,Neoplasm, Malignant Infratentorial,Neoplasm, Posterior Fossa,Neoplasms, Malignant Infratentorial,Posterior Fossa Neoplasm,Posterior Fossa Tumor,Tumor, Infratentorial,Tumor, Posterior Fossa

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