guttate psoriasis differential diagnosis
Guttate psoriasis may be confused with: Discoid dermatitis (more itch, vesicles, dry rather than plate-scale) Tinea corporis (elevated border, slowly extending edge, positive mycology) Pityriasis rosea (herald patch, fir-tree distribution of oval plaques, trailing scale) Erythrodermic psoriasis may be confused with: Guttate psoriasis can be distinguished from these entities by history and physical exam, although further studies such as potassium hydroxide (KOH) scrapings and serologies may be helpful in ruling out the other disorders in the differential diagnoses. Other forms of psoriasis include: Guttate psoriasis. Guttate psoriasis often follows acute group B haemolytic streptococcal pharyngitis in persons genetically predisposed to psoriasis. Usually starts with a single plaque (‘herald patch’), with colour from salmon to erythematous, followed by a generalised eruption after several days Lesions are less well defined and may be exudative or crusted, lack ‘candle grease’ scaling, ... 2 Throat swabbing for β-haemolytic streptococci is needed in guttate psoriasis. Differential diagnoses include atopic der- The pustules are not contagious but are the result of sudden and extreme autoimmune inflammation. Diagnosis of Guttate Psoriasis Diagnostic considerations. Pityriasis rosea. The differential diagnosis for guttate psoriasis includes lymphomatoid papulosis, pityriasis rosea, pityriasis lichenoides chronica, tinea versicolor, and secondary syphilis, although these conditions often have distinctive presentations . Differential diagnosis ... Guttate psoriasis is more common in children and adolescents. The PASI score is the ‘Psoriasis Area and Severity Index’, and is mainly used for evaluating the effect of interventions in clinical trials. Plaque psoriasis shows slightly different symptoms in kids. The second most common form is localized pustular psoriasis of the palms and soles. There is a strong association between recent infection (usually streptococcal pharyngitis) and guttate psoriasis. The rash comes on very quickly and may follow a streptococcal infection of the throat. The plaques aren’t as thick and the lesions are less scaly. Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with silvery scales. The keywords used were “psoriasis,” “plaque psoriasis,” “differential diagnosis,” “diagnosis,” and “papulosquamous lesions.” Reviews and original articles published up to 1 September 2020, including case reports, assessing the description of the clinical presentations and differential diagnosis for psoriasis, were included. 3 Skin scrapings and nail clippings may be requiredto exclude tinea. Evaluation and differential diagnosis.Less common variants of psoriasis include inverse psoriasis, pustu-lar psoriasis, guttate psoriasis, erythrodermic psoriasis, and annular psoriasis (Figures 3). In this study, PLC and GP lesions were examined using dermoscopy, and the significance of s … These variants to 6 can be differentiated from the common plaque type by morphology. You usually get the patches on your elbows, knees, scalp, back, face, palms and feet, but they can show up on other parts of your body. The differential diagnoses of guttate psoriasis include tinea corporis, secondary syphilis, nummular eczema, and pityriasis rosea. Clinical differentiation between pityriasis lichenoides chronica (PLC) and guttate psoriasis (GP) may sometimes be a difficult task, which often requires histological analysis to reach a definitive diagnosis. Psoriasis is a chronic inflammatory disease that affects primarily the skin and joints. You usually get the patches on your elbows, knees, scalp, back, face, palms and feet, but they can show up on other parts of your body. The diagnosis of psoriasis can be made by clinical observation without laboratory tests in most cases. A careful history should be taken to exclude certain drugs, such as beta-blockers and lithium, which may cause an eruption similar to that of guttate psoriasis. 1 Below is a review and update on the assessment, diagnosis, and treatment of psoriasis. Background: Psoriasis is an inflammatory skin disease presenting with erythematous and desquamative plaques with sharply demarcated margins, usually localized on extensor surface areas. Epidemiology. Guttate psoriasis is characterised by multiple small 'tear drop' lesions that tend to affect most of the body. 54 These entities can be differentiated from guttate psoriasis based on history and physical examination with skin biopsy when necessary. Skin biopsy is more informative. Guttate psoriasis is a skin condition in which small, droplet-shaped, red patches appear on the arms, legs, scalp, and trunk. It is calculated as follows: Differential diagnosis. Enzo Errichetti, Giuseppe Stinco, Dermoscopy in differential diagnosis of palmar psoriasis and chronic hand eczema, The Journal of Dermatology, 10.1111/1346-8138.13142, 43, 4, … Psoriasis: Epidemiology, clinical manifestations, and diagnosis View in Chinese … with pre-existing psoriasis. 2. Psoriasis is a common chronic inflammatory skin disorder affecting individuals with an underlying genetic predisposition. It tends to affect children and young adults and has a good chance of spontaneously clearing. 1 The condition is triggered and worsened by some medications, infections, skin trauma, obesity, and stress, and those suffering from psoriasis are at higher risk for both cardiovascular disease and depression. Chronic plaque psoriasis (including scalp psoriasis, flexural psoriasis, and facial psoriasis) is the most common form, affecting 80–90% of people with psoriasis. Differentiating features. The blood tests are aimed at determining the non-specific signs of inflammation (leukocytosis, an increase of erythrocyte sedimentation rate, rheumatoid factor). The disease however can be confused with many other entities. Differential diagnosis. The differential diagnosis of psoriasis includes dermatological conditions similar in appearance such as discoid eczema, seborrheic eczema, pityriasis rosea (may be confused with guttate psoriasis), nail fungus (may be confused with nail psoriasis) or cutaneous T cell lymphoma (50% of individuals with this cancer are initially misdiagnosed with psoriasis). Psoriasis () Definition (MEDLINEPLUS) Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with silvery scales. Misdiagnosis of Guttate psoriasis including hidden diseases, diagnosis mistakes, alternative diagnoses, differential diagnoses, and misdiagnosis. Guttate psoriasis (also called eruptive psoriasis) ... which are usually enough for the differential diagnosis. The differential diagnosis includes pityriasis rosacea, tinea corporis, secondary syphilis, pityriasis lichenoides chronica, nummular dermatitis, and drug eruptions. Conditions to consider in the differential diagnosis of guttate psoriasis 1,2; Disease. In a majority of patients it is a self limiting condition (2). Plaque psoriasis may be confused with: Discoid dermatitis (more itch, vesicles, dry rather than plate-scale) Von Zumbusch psoriasis, also known as acute generalized pustular psoriasis, is a rare type of psoriasis characterized by white, pus-filled blisters (pustules). It may be precipitated by a streptococcal infection 2-4 weeks prior to the lesions appearing. Guttate psoriasis Microscopic (histologic) description Parakeratosis without hyperkeratosis, acanthosis with downward elongation of rete ridges (resembles a comb), thin / no granular cell layer, suprapapillary thinning (attenuated layer of epidermal cells above tips of dermal papillae), Munro microabscesses (neutrophils in parakeratotic scale) Differential diagnosis of psoriasis including plaque psoriasis, guttate psoriasis, palmoplantar psoriasis and flexural psoriasis. 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