The main symptom of Pemphigus is?

RRB Staff Nurse Kolkata-2015

Medical & Surgical Nursing

Easy

Appeared in: RRB Staff Nurse Kolkata-2015

Explanation

Pemphigus is an autoimmune disorder where the body's immune system attacks proteins in the epidermis, specifically desmogleins, which are responsible for cell-to-cell adhesion.
This attack leads to a loss of cohesion between skin cells (acantholysis), resulting in the formation of flaccid (soft, limp) blisters known as bullae.
As seen in the provided image, these blisters are very fragile and rupture easily, leaving behind raw, denuded areas (erosions) that are extremely painful.
Oral lesions are often the first sign and are also very painful, interfering with nutrition and hydration.
Therefore, painful blisters and the subsequent erosions are the hallmark symptoms of pemphigus vulgaris, the most common form of the disease.

Option A: Red spots are a non-specific sign of inflammation and are not the primary or characteristic lesion of pemphigus. The primary lesion is a blister (bulla).
Option B: Bluish spots suggest bruising or cyanosis, which is unrelated to the pathophysiology of pemphigus. Pemphigus lesions are initially clear fluid-filled blisters that become eroded and red upon rupture.
Option C: Pemphigus is characterized by large blisters called bullae (typically defined as being greater than 1 cm in diameter). Small vesicles (less than 1 cm) are not the typical presentation.

Visual 1: Diagram - A cross-section of the skin illustrating the difference between an intraepidermal split (Pemphigus) and a subepidermal split (Bullous Pemphigoid). This clarifies the underlying pathology.
Visual 2: Clinical Photo - A close-up of a positive Nikolsky sign, showing the epidermis shearing away with gentle pressure. This demonstrates the fragility of the skin in pemphigus.
Visual 3: Infographic - A comparison chart detailing the key differences between Pemphigus Vulgaris and Bullous Pemphigoid, including blister type, location, symptoms, and Nikolsky sign.

Clinical Relevance

Nursing practice connection: Knowing Clinical manifestations of Pemphigus helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nursing priority for pemphigus patients is managing severe pain, preventing secondary infections in the raw, eroded skin, and maintaining fluid and electrolyte balance due to fluid loss from ruptured bullae.
Patient education is critical, focusing on gentle skin care, avoiding trauma, recognizing signs of infection, and adhering to complex immunosuppressive medication regimens (like corticosteroids) and their potential side effects.
What if? If the patient presented with intensely itchy, tense blisters that did not rupture easily, and a negative Nikolsky sign, the diagnosis would more likely be Bullous Pemphigoid, and the primary nursing focus would shift from pain management to aggressive anti-pruritic (anti-itch) interventions.

How to Approach the Question

First, identify the core concept of the question, which is the 'main symptom' of 'Pemphigus'.
Recall the pathophysiology of Pemphigus: it's an autoimmune blistering disease. This immediately directs your focus to options involving blisters.
Analyze the options provided. 'Red spots' and 'bluish spots' are non-specific and not the primary lesion. This narrows it down to 'small vesicles' and 'painful blisters'.
Differentiate between vesicles and bullae. Recall that Pemphigus causes large, flaccid blisters (bullae), not small vesicles.
Consider the nature of these bullae. They are fragile, rupture easily, and leave painful raw erosions. Therefore, 'painful blisters' is the most accurate and comprehensive description of the main symptom.
If an image is provided, correlate the visual evidence (large, ruptured blisters) with the options to confirm your choice.

Concept Tested & Keywords

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