Figure 30.1 H&E 100×, Leishmania, a mixed inflammatory infiltrate with scattered multi-nucleated Figure 30.2 H&E 1,000×, Leishmania, small clusters of organisms between the histiocytes Diffuse cutaneous leishmania is rare and…
Figure 21.1 Compound dysplastic nevus, brownish-red papule on right breast Clinical Differential Diagnosis Nevus Lentigo Macular seborrheic keratosis Post inflammatory hyperpigmentation Compound dysplastic nevus with yeast (Pityrosporum) Histopathology Sections showed…
Figure 4.1 Herpes eruption on the interior portion of the left thigh Clinical Differential Diagnosis Drug eruption Bullous pemphigoid Pemphigus vulgaris Linear IgA disease Herpes simplex viral infection (type 2)…
Figure 25.1 Chromoblastomycosis infection of the arm Clinical Differential Diagnosis Bacteria abscess Fungal infection (Chromoblastomycosis) Diagnosis CHROMOBLASTOMYCOSIS is a chronic fungal infection that occurs in the cutaneous and subcutaneous tissues…
Figure 24.1 Tinea capitis, focal and discrete hair loss Clinical Differential Diagnosis (Focal Hair Loss) Alopecia areta Trichotillomania Tinea capitis Lupus Syphilis Seborrheic dermatitis Bacteria folliculitis Histopathology A punch biopsy…
Figure 34.1 Cutaneous larva migrans, serpiginous pattern Differential Diagnosis Hookworm Impetigo Atopic Dermatitis Cutaneous Larva Migrans Diagnosis CUTANEOUS LARVA MIGRANS. The predominantly cause of human hookworm disease is the nematode…
Figure 20.1 Onychomycosis of fingernails Clinical Differential Diagnosis (Friable nail) Psoriatic nail Bacteria infection Fungal/Yeast infection Mixed fungal and bacteria infection Lichen planus Pachyonchia Congenita Histopathology The nail clipping was…
Figure 5.1 Herpes Zoster, note the dermatome distribution Figure 5.2 Herpes zoster, vesicles themselves appear the same as herpes simplex Figure 5.3 Herpes Zoster, note the grouped vesicles in this…
Figure 17.1 Erythrasma Clinical Differential Diagnosis Tinea versicolor Inverse psoriasis Candidiasis Erythrasma Histopathology A shave biopsy of the outer groin was performed which measured 0.7 × 0.3 × 0.1 cm (Specimen A). The Periodic…
Figure 26.1 Mucicarmine stain, 1,000×, Cryptococcus neoformis, numerous organisms stain slight reddish with mucoid, thick capsule Cryptococcus is a yeast-like organism that is transmitted by inhalation of infected organisms. Once…
