Dermatology Practical & Conceptual

Study By Disease

…sis (Quiz #127) Tattoo (Quiz #15) Tattoo by carbon (Quiz #540) Telangiectasia macularis eruptiva perstans (Quiz #420) Telangiectasia macularis eruptiva perstans (Quiz #430) Tense vesicle in response to the “bite” directly of an insect (Qu…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Perivascular Dermatitis

See Figs. 5.16 A&B, 5.17 A&B, 5.18 A&B, 5.19 A&B, 5.20 A&B, 5.21 A&B, and 5.22 A&B Figure 5.16 A. Perivascular dermatitis, perivascular only, superficial. B. Perivascular dermatitis, perivascular only, superficial and…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

Error: Abortive is an accurate modifier of particular pathologic processes, e.g., abortive dermatofibroma, abortive morphea, and abortive T-cell lymphoma. Reason: The idea itself is abortive! For example, what is called “abortive T-cell lympho…

Dermatology Practical & Conceptual

Hyperkeratotic necrobiosis lipoidica

Case report A 56-year-old Caucasian male with a history of uncontrolled diabetes mellitus and multiple other comorbidities was evaluated for slowly expanding plaques of his right lower leg, left forearm and left dorsal hand that had been present for…

Dermatology Practical & Conceptual

Dermatoscopic pattern of a cylindroma

Case report A 65-year-old man presented with an asymptomatic lesion on the left parietal scalp of 6 months’ duration. Three years prior, a cylindroma on the same area was excised by a general surgeon. Physical examination revealed a solitary 6 mm sa…

Dermatology Practical & Conceptual

Abstracts from the Joint Meeting of the International Society for Digital Imaging of the Skin (ISDIS), the International Confocal Group (ICG), and the International Dermoscopy Society (IDS) in conjunction with the 2014 American Academy of Dermatology, March 22, 2014, Denver, CO, USA

Impact of in vivo reflectance confocal microscopy on the number needed to treat melanoma in doubtful lesions  Ivette Alarcon, Cristina Carrera, Josep Malvehy , Susana Puig Melanoma Unit, Dermatology Department, Hospital Clinic and University of Barc…

Histologic Diagnosis of Inflammatory Skin Diseases

Urticaria pigmentosa

Urticaria pigmentosa Synonyms Mastocytosis Presentation stereotypical Age and sex All ages and both sexes, but mostly nodules and blisters in infants and children, and mostly macules and papules in adults Distribution of lesions Localized or widespr…