Diogenes syndrome, also known as senile squalor syndrome, is a disorder characterized by extreme self-neglect, domestic squalor, social withdrawal, apathy, compulsive hoarding of garbage, and lack of shame. Diogenes Syndrome tends to occur among the elderly.
Upon hospitalization, many suffering from Diogenes Syndrome are diagnosed with significant medical issues. There is a 50% mortality rate following hospitalization. The 5 year mortality rate is 46%
Diogenes syndrome at Wikipedia
Diogenes Diogenes Syndrome: A Geriatric syndrome of A Geriatric syndrome of gross self neglect
Diogenes syndrome in patients suffering from dementia
Diogenes Syndrome: Living in Extreme Squalor
Senile Squalor and Hoarding: A brief overview of Diogenes Syndrome