Tag Archives: Dermatology
Erythematous plaques with thick, micaceous scale on the extensor lower leg of a man with plaque psoriasis.

Psoriasis and Psoriatic Spectrum Disease: A Primer for the Primary Care Physician

Psoriasis is a chronic, immune-mediated disorder with cutaneous, articular, and systemic manifestations that are associated with significant morbidity.1 The burden of disease is directly related to its prevalence, which ranges from 0.5%-11.4% in adults and 0%-1.4% in children worldwide.2 In the United States alone, approximately 7.4 million individuals have psoriasis,3 and both the incidence and prevalence of psoriasis […]

Read more
Thinning of the hair in the frontoparietal scalp was due to androgenic alopecia.

At the Root: Cutaneous Langerhans Cell Histiocytosis

Hair loss is of deep concern to patients, mainly because of its effect on appearance. On rare occasions, however, areas of balding can signal malignancy. A 33-year-old woman was referred to our dermatology clinic because of a 15-year history of scalp eruption accompanied by intense itching and progressive hair loss. Previously, she was diagnosed with […]

Read more
(A) Skin impairment. Papulonodular skin lesions on the tip of the nose, from 3 to 10 mm, characteristic of sarcoidosis: firm, nonedematous, noninflammatory, nonpainful, nonpruriginous, with predominant facial involvement. (B) Endoscopic view (right nasal fossa) showing a major mucosae thickening. (C) Numerous uniform circumscribed nests of non-caseating granulomata which are characterized by the paucicity of lymphocytes and absence of necrosis.

Skin and Nasal Involvement: Look for Sarcoidosis!

  Sarcoidosis is a systemic, noncaseating, granulomatous disease affecting young adults between the ages of 25 and 40 years, most often of Black origin (35.5/100,000 vs 10.9 in the White population). Although the lower respiratory tract is affected in 90% of cases, ear, nose, and throat locations are very uncommon, with a prevalence varying between […]

Read more
The patient had hemifacial atrophy.

Gradually Transformed: Parry–Romberg Syndrome

Headaches commonly compel patients to seek medical attention. Migraine, tension headache, cluster headaches, rebound headaches from overuse of medication, headaches that occur as an adverse reaction to medication, and those associated with infection are typically included in the differential diagnosis, but sometimes, a rarer entity is encountered. This was true for a 44-year-old farmer from […]

Read more
The patient's right hand was covered with erythematous macules.

A Plethora of Pustules: Acute Generalized Exanthematous Pustulosis

The patient’s presentation suggested a number of serious dermatologic or infectious diseases, but in fact, a drug reaction was to blame for her symptoms. A 69-year-old woman with a history of chronic obstructive pulmonary disease was admitted to our hospital with a worsening rash. Four days earlier she presented to a different facility with a […]

Read more

Sweet’s Syndrome Mimicking Anti-Neutrophil Cytoplasmic Antibodies–Associated Vasculitis

  Sweet’s syndrome is a rare neutrophilic skin disorder. The antibodies against neutrophil cytoplasmic antigens are called anti-neutrophil cytoplasmic antibodies (ANCAs). Positivity for ANCA has been reported in some nonvasculitic inflammatory disorders, including Sweet’s syndrome.1, 2 Here we report a case of myeloperoxidase (MPO)-ANCA– and (proteinase 3) (PR3)-ANCA–positive Sweet’s syndrome presenting unusual and severe purpuras. A 41-year-old […]

Read more
UA-42320404-1