Table 1

Clinical and radiological features of previously published cases1-9 12 13 and present cases with small patella syndrome

		Previously reported cases1-9 12 13		Frequency (%)	Family A			Family B		Family C
		Previously reported cases1-9 12 13		Frequency (%)	Case 1	Case 2		Case 3	Case 4	Case 5
Radiological/clinical anomalies of the patella	45/45^1-150	100
Patellar aplasia	14/45	32	+	−	−	−	−
Patellar hypoplasia	31/45	69	−	+	+	+	+
Radiological anomalies of the pelvis	34/35^1-151	97
Absence/hypoplasia/irregularity of the ischiopubic junction	24/27^1-152	89	+	+	+	+	+
Infra-acetabular axe cut notches	8/9	89	+	+	+	+	+
Radiological anomalies of the femora
Hypoplasia of the lesser trochanter	3/6	50	−	−	+	+	−
Elongated femoral necks/flattened and widened proximal femoral epiphyses	8/15	53	+	−	+	+	−
Radiological/clinical anomalies of the feet
Pes planus	9/15	60	+	+	+	+	+
Short fourth and fifth rays of feet	10/15	67	+	+	+	+	+
Clinical anomalies of the feet
Wide gap between first and second toes	13/17	76	+	+	+	+	+

↵1-150 In 45 of the 46 previously reported cases, patellar a/hypoplasia was mentioned.
↵1-151 Thirty five of the 46 previously reported cases had radiological examination of the pelvis.
↵1-152 Anomalies of the ischiopubic junction were specified in 27 of the 35 previously reported cases with pelvic anomalies.