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Unusual paraneoplastic syndromes of breast carcinoma: a combination of cerebellar degeneration and Lambert-Eaton Myasthenic Syndrome. 2011

L Romics, and B McNamara, and P A Cronin, and M E O'Brien, and N Relihan, and H P Redmond
Department of Surgery, Cork University Hospital, Wilton, Cork, Ireland. Laszlo.Romics@umassmed.edu

BACKGROUND Paraneoplastic neurological disorders are rare complications of breast carcinoma. Lambert-Eaton Myasthenic Syndrome (LEMS) is most commonly associated with small cell lung cancer. However, a combination of LEMS and subacute cerebellar degeneration as paraneoplastic syndromes is extremely rare, and has never been described in association with breast cancer. METHODS We report for the first time an unusual association of LEMS and paraneoplastic subacute cerebellar degeneration with breast carcinoma. CONCLUSIONS In patients with atypical LEMS, when there is no evidence of respiratory malignancy, breast cancer should be included in the differential diagnosis.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001943 Breast Neoplasms Tumors or cancer of the human BREAST. Breast Cancer,Breast Tumors,Cancer of Breast,Breast Carcinoma,Cancer of the Breast,Human Mammary Carcinoma,Malignant Neoplasm of Breast,Malignant Tumor of Breast,Mammary Cancer,Mammary Carcinoma, Human,Mammary Neoplasm, Human,Mammary Neoplasms, Human,Neoplasms, Breast,Tumors, Breast,Breast Carcinomas,Breast Malignant Neoplasm,Breast Malignant Neoplasms,Breast Malignant Tumor,Breast Malignant Tumors,Breast Neoplasm,Breast Tumor,Cancer, Breast,Cancer, Mammary,Cancers, Mammary,Carcinoma, Breast,Carcinoma, Human Mammary,Carcinomas, Breast,Carcinomas, Human Mammary,Human Mammary Carcinomas,Human Mammary Neoplasm,Human Mammary Neoplasms,Mammary Cancers,Mammary Carcinomas, Human,Neoplasm, Breast,Neoplasm, Human Mammary,Neoplasms, Human Mammary,Tumor, Breast
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000971 Antineoplastic Combined Chemotherapy Protocols The use of two or more chemicals simultaneously or sequentially in the drug therapy of neoplasms. The drugs need not be in the same dosage form. Anticancer Drug Combinations,Antineoplastic Agents, Combined,Antineoplastic Chemotherapy Protocols,Antineoplastic Drug Combinations,Cancer Chemotherapy Protocols,Chemotherapy Protocols, Antineoplastic,Drug Combinations, Antineoplastic,Antineoplastic Combined Chemotherapy Regimens,Combined Antineoplastic Agents,Agent, Combined Antineoplastic,Agents, Combined Antineoplastic,Anticancer Drug Combination,Antineoplastic Agent, Combined,Antineoplastic Chemotherapy Protocol,Antineoplastic Drug Combination,Cancer Chemotherapy Protocol,Chemotherapy Protocol, Antineoplastic,Chemotherapy Protocol, Cancer,Chemotherapy Protocols, Cancer,Combinations, Antineoplastic Drug,Combined Antineoplastic Agent,Drug Combination, Anticancer,Drug Combination, Antineoplastic,Drug Combinations, Anticancer,Protocol, Antineoplastic Chemotherapy,Protocol, Cancer Chemotherapy,Protocols, Antineoplastic Chemotherapy,Protocols, Cancer Chemotherapy
D015624 Lambert-Eaton Myasthenic Syndrome An autoimmune disease characterized by weakness and fatigability of proximal muscles, particularly of the pelvic girdle, lower extremities, trunk, and shoulder girdle. There is relative sparing of extraocular and bulbar muscles. CARCINOMA, SMALL CELL of the lung is a frequently associated condition, although other malignancies and autoimmune diseases may be associated. Muscular weakness results from impaired impulse transmission at the NEUROMUSCULAR JUNCTION. Presynaptic calcium channel dysfunction leads to a reduced amount of acetylcholine being released in response to stimulation of the nerve. (From Adams et al., Principles of Neurology, 6th ed, pp 1471) Eaton-Lambert Syndrome,Myasthenic Syndrome, Lambert-Eaton,Eaton-Lambert Myasthenic Syndrome,Lambert-Eaton Syndrome,Myasthenic-Myopathic Syndrome of Eaton-Lambert,Myasthenic-Myopathic Syndrome of Lambert-Eaton,Myopathic-Myasthenic Syndrome of Eaton-Lambert,Myopathic-Myasthenic Syndrome of Lambert-Eaton,Eaton Lambert Myasthenic Syndrome,Eaton Lambert Syndrome,Eaton-Lambert Myasthenic-Myopathic Syndrome,Eaton-Lambert Myopathic-Myasthenic Syndrome,Eaton-Lambert Myopathic-Myasthenic Syndromes,Lambert Eaton Myasthenic Syndrome,Lambert Eaton Syndrome,Lambert-Eaton Myasthenic-Myopathic Syndrome,Lambert-Eaton Myasthenic-Myopathic Syndromes,Lambert-Eaton Myopathic-Myasthenic Syndrome,Lambert-Eaton Myopathic-Myasthenic Syndromes,Myasthenic Myopathic Syndrome of Eaton Lambert,Myasthenic Myopathic Syndrome of Lambert Eaton,Myasthenic Syndrome, Eaton-Lambert,Myasthenic Syndrome, Lambert Eaton,Myopathic Myasthenic Syndrome of Eaton Lambert,Syndrome, Eaton-Lambert,Syndrome, Eaton-Lambert Myasthenic,Syndrome, Lambert-Eaton,Syndrome, Lambert-Eaton Myasthenic
D018270 Carcinoma, Ductal, Breast An invasive (infiltrating) CARCINOMA of the mammary ductal system (MAMMARY GLANDS) in the human BREAST. Carcinoma, Infiltrating Duct,Carcinoma, Invasive Ductal, Breast,Carcinoma, Mammary Ductal,Invasive Ductal Carcinoma, Breast,Mammary Ductal Carcinoma,Carcinomas, Infiltrating Duct,Carcinomas, Mammary Ductal,Mammary Ductal Carcinomas
D020362 Paraneoplastic Cerebellar Degeneration Cerebellar degeneration associated with a remote neoplasm. Clinical manifestations include progressive limb and GAIT ATAXIA; DYSARTHRIA; and NYSTAGMUS, PATHOLOGIC. The histologic type of the associated neoplasm is usually carcinoma or lymphoma. Pathologically the cerebellar cortex and subcortical nuclei demonstrate diffuse degenerative changes. Anti-Purkinje cell antibodies (anti-Yo) are found in the serum of approximately 50% of affected individuals. (Adams et al., Principles of Neurology, 6th ed, p686) Cerebellar Degeneration, Paraneoplastic,Paraneoplastic Cerebellar Degeneration, Anti-Yo-Associated,Anti-Yo-Associated Paraneoplastic Cerebellar Degeneration,Cerebellar Syndrome, Paraneoplastic,Paraneoplastic Cerebellar Syndrome,Anti Yo Associated Paraneoplastic Cerebellar Degeneration,Cerebellar Syndromes, Paraneoplastic,Degeneration, Paraneoplastic Cerebellar,Paraneoplastic Cerebellar Degeneration, Anti Yo Associated,Paraneoplastic Cerebellar Syndromes

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