Formation of swelling due to stagnation of fluid in the layers at scalp beneath the girdle of contact is?

RUHS, Jaipur, M.Sc Nursing Entrance Exam-2018

Obstetrics & Gynaecology (E5)

Easy

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2018

Explanation

Caput succedaneum is the correct term for a diffuse, edematous swelling of the newborn's scalp.
It is caused by pressure on the fetal head from the cervix (the "girdle of contact") during labor, which leads to stagnation of fluid.
The fluid collection is in the subcutaneous tissue, which is why the swelling is not limited by cranial bones and can cross suture lines.
This condition is generally harmless and resolves spontaneously within a few days after birth.

Option A: Moulding refers to the overlapping of the fetal skull bones to facilitate passage through the birth canal. It is a change in head shape, not a fluid-filled swelling.
Option B: A haematoma, specifically a cephalhematoma in this context, is a collection of blood beneath the periosteum of a cranial bone. It does not cross suture lines and typically appears hours after birth.
Option C: A haemangioma is a benign tumor of blood vessels, commonly known as a birthmark. It is a developmental condition and is not caused by the mechanical pressures of labor.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Neonatal scalp injuries and conditions following birth as background academic context rather than a clinical decision trigger.
A key nursing responsibility is the initial and ongoing assessment of the newborn, including a thorough head examination to identify and differentiate birth-related conditions like caput succedaneum and cephalhematoma.
Nurses play a vital role in educating and reassuring parents. Explaining that caput succedaneum is a common, temporary condition that resolves on its own can alleviate parental anxiety.
While caput succedaneum is benign, a cephalhematoma carries a risk of hyperbilirubinemia as the collected blood breaks down. Accurate differentiation is crucial for appropriate monitoring.

How to Approach the Question

First, identify the key terms in the question: "swelling," "stagnation of fluid," "scalp," and "girdle of contact."
Recognize that "girdle of contact" refers to the pressure from the mother's cervix on the fetal head during labor.
Understand that "stagnation of fluid" points to edema (serous fluid), not a collection of pure blood (hematoma) or a change in bone shape (moulding).
Recall the definitions of common neonatal head conditions related to birth.
Caput succedaneum specifically describes an edematous swelling of the scalp due to labor pressure that crosses suture lines.
Differentiate this from Cephalhematoma (a subperiosteal bleed that does not cross sutures) and Moulding (bone overlap), eliminating them as incorrect options.

Concept Tested & Keywords

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E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1065-1067

E6 Obstetrics Williams p. 18-34