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Biomedical subjects

L D Leffall

Publications and source records attributed to L D Leffall.

At least 55 records · Page 3Linked to original sources
PubMed1979

Colorectal carcinoma in young persons: experience at Howard University Hospital, 1955--1977.

Case records of all patients 30 years of age and under with a proven pathological diagnosis of colorectal cancer at Howard University Hospital between January 1955 and December 1977 were reviewed. Over this 23-year period, 14 cases were documented. All patients were black. This study reaffirms the poor prognosis which accompanies colorectal carcinoma in the young, particularly in those patients with mucinous carcinoma.

Adenocarcinoma↗
PubMed1979

The treatment of pancreatic pseudocysts by external drainage.

Twenty-two patients were treated for 25 occurrences of pancreatic pseudocysts. The male to female ratio was 3:1, and the average age was 39 years. Alcoholism was the most common cause of the preceding episode of pancreatitis. The pseudocyst rarely developed from end-stage chronic pancreatitis. Our preferred treatment for the majority of pancreatic pseudocysts is external sump drainage, if there is no obstruction of the distal part of the pancreatic duct. This form of treatment was followed by a 100 per cent survival rate, and neither a pancreaticocutaneous fistula nor a pancreatic abscess occurred. The two instances of a recurrence were due to our treatment with a Penrose drain alone, and this practice is not recommended. Obstruction of the distal part of the pancreatic duct negates external sump drainage, and in such instances, a Roux-en-Y cystojejunostomy should be the treatment of choice and not transgastric cystogastrostomy, which does not offer dependent drainage. The treatment of a pancreatic pseudocyst should not be equated with that of chronic fibrotic pancreatitis, as the basic pathologic clinical features and response to surgical treatment are quite different.

Acute Disease↗
PubMed1977

Familial polyposis coli in black patients.

We have presented our experience with 19 black patients who had familial polyposis coli, seven of whom had associated cancer. Four of the seven had multiple cancers. Seventeen of the 19 patients were female but most of the patients at risk in our series were female. Sixteen of the 19 had extracolonic manifestations which have been described as part of Gardner's syndrome. Although our series was quite small, larger series do not report as high an incidence of extracolonic manifestations. Follow-up was too short to make any statements concerning the development of cancer in the retained rectal stump.

Adolescent↗