Pediatric pelvis: radiographic appearance in various congenital disorders.

Abstract

This article presents the spectrum of pelvic abnormalities in developmental diseases ofbone. The pelvis comprises the ilium, ischium and pubis, and the sacrum. Knowledge of pelvic embryology and normal development is essential in recognizing pelvic abnormalities and disorders, which involve the number of bone elements, rate of ossification, density, and size or shape. Anarchic development of bone and dysplasias identifiable at birth must also be considered. The pelvis is important in the evaluation of such disorders because of the frequent, varied, and often specific radiologic abnormalities. The pelvis may also be the first evidence for a congenital malformation syndrome because it is often included in routine radiographic examinations.

Pelvic radiograph in skeletal dysplasias: An approach

“…This sign is seen in achondroplasia, Jeune's asphyxiating thoracic dystrophy (JATD), Ellis-van Creveld syndrome, and thanatophoric dysplasia. [6] Mesomelic pattern of dwarfism and bell shape of the chest are distinctive features of Ellis-van Creveld syndrome. …”

“…Seen in Schneckenbecken dysplasia (German for snail pelvis), a rare lethal neonatal chondrodysplasia with autosomal recessive inheritance. [6] Other distinctive features seen in this disorder include flattened and hypoplastic vertebral bodies, short ribs, dumb bell-like appearance of long bones, and precocious ossification of the tarsal bones. [6]…”

“…[6] Other distinctive features seen in this disorder include flattened and hypoplastic vertebral bodies, short ribs, dumb bell-like appearance of long bones, and precocious ossification of the tarsal bones. [6] Sunburst appearance of iliac wings – Dense bands of bone radiating from the acetabulum to iliac crest [Figure 10] in a fan-like pattern give rise to “sunburst” appearance which is a characteristic feature of osteopathia striata. [11] Similar bands extending from metaphysis to diaphysis of long bones are the other important radiological feature of this dysplasia.…”

Características clínicas, radiológicas y auxológicas de pacientes con displasia cleidocraneal seguidos en un hospital pediátrico de referencia en Argentina

“…Los criterios diagnósticos para cada característica radiológica fueron los siguientes: presencia de huesos wormianos cuando la frecuencia de aparición fue 10 o más, 21 cierre retardado de la fontanela anterior cuando se mantuvo abierta después de los primeros 2 años de vida, 22 clavículas hipoplásicas cuando estaba ausente la mitad lateral de la clavícula, 22 retraso en la osificación de los huesos del pubis cuando no estaban osificados más allá de los primeros 6 meses de vida y falta de fusión de ramas isquiopubianas cuando no existía fusión en los pacientes de 12 años y mayores, [22][23][24] anomalías en las manos cuando había retraso en la osificación de los huesos del carpo o existían epífisis en cono o seudoepífisis. 2 Las complicaciones se consideraron cuando estuvieron registradas en la historia clínica.…”

Congenital agenesis of pubic bones: a case report

“…The secondary ossification centers, such as symphysis pubis and the ischiopubic synchondrosis, generally ossify just before and during puberty and adolescence. [1][2][3]. Several disorders with hypoplasia of the ischium and pubis have been reported.…”