August 11th 2025
The oral peptide that selectively targets IL-23 offers a novel approach to quelling the inflammatory process that underlies plaque psoriasis.
Rendu-Osler-Weber Syndrome in an Older Woman
March 1st 2003A 72-year-old woman presented to the emergency department with epistaxis and generalized telangiectasia. The patient was known to have Rendu-Osler-Weber syndrome, or hereditary hemorrhagic telangiectasia, an autosomal dominant disorder that is associated with arteriovenous fistulae of many organs.
STDs: Do You Recognize These Telltale Lesions?
February 1st 2003A 32-year-old previously healthywoman presents to the emergencydepartment with skin lesions, suprapubicpain, and generalized myalgia of1 week’s duration. Trimethoprim-sulfamethoxazolefor a presumed urinarytract infection is prescribed, and thepatient is discharged. The symptomspersist; she is hospitalized 2 days later.
Alcoholic man with weakness, fatigue, bleeding gums, and leg lesions
February 1st 2003The family of a 50-year-oldalcoholic man brings him to youroffice. They are concerned abouthis health and note that they had notseen him for several months beforehe reappeared. The patient complainsof generalized weakness, fatigue, andbleeding gums.
Squamous Cell Carcinoma on the Hand
January 1st 2003An 87-year-old woman sought treatment of what she described as a “bite” of 1 month’s duration. The pink, nodular lesion on the dorsum of the left hand had central superficial ulceration with yellow crusting at the web space between the thumb and index finger.
A Young Boy With High Fever and Lethargy
January 1st 2003A Young Boy With High Fever and LethargyA 5-year-old boy is brought to the emergency department(ED) by his parents. They report that, for thepast week, the child has had a high fever (temperatureup to 40oC [104oF]), generalized weakness, lethargy, andlack of appetite. The boy’s eyes are bloodshot and he hasrefused food and drink. The child has no history ofcough, shortness of breath, hematemesis, melena, headaches,vision problems, or seizures. He has not been incontact with sick persons, has not traveled abroad, doesnot have a pet, and is not taking any medications. His immunizations are up-to-date.
Case 1: Allergic Reaction to Tattoo
December 1st 2002After exposure to the sun, an erythematous, edematous, pruritic allergicreaction developed at the site of a 22-year-old man’s new tattoo. In additionto photoallergy-as seen in this patient-direct allergy to the dyes in thetattoo can produce an adverse reaction.
Young Girl With Hair Loss and Enlarging Scalp Lesion
November 1st 2002A 7-year-old black girl comes toyour office with a 10-week historyof scaling and scalp redness,and hair loss. About 3 weeks beforethe visit, the child’s motherfirst noticed a boggy, drainingyellow plaque on her daughter’sparietal scalp. A different physicianprescribed ketoconazoleshampoo. At 1-week follow-up,the symptoms had not abated;the clinician then prescribed oralcephalexin as well as a topical mixture of the antifungal agent, clotrimazole, and the high-potency topicalcorticosteroid, betamethasone. After 2 weeks of therapy, the symptoms were no better.
Erythema Multiforme in a Woman and in a Man
October 1st 2002For 2 days, a 43-year-old woman has had a slightly tender rash on her trunk andextremities. Five days earlier, the patient was given levofloxacin for an upperrespiratory tract infection; because she is prone to yeast infections while takingantibiotics, fluconazole also was prescribed.