Table 1 The clinical and imaging characteristics of FHI
From: Fibrous hamartoma of infancy: radiologic features and literature review
Author (No.of ref.) | Age(M)/sex | Duration (M) | Location and Extension | Accompanied Symptoms | Size (cm) | Imaging Modalities | Main Compositions and border | Specific compositions and Contrast enhancement |
|---|---|---|---|---|---|---|---|---|
1. Loyer et al.(1992)[12] | 12/F | 9 | Upper extremity Subcutaneous layer | Hypertrichosis Pigmentation | ND | X-ray MR | Balanced Ill-defined | |
2. Song et al.(2010)[13] | 16/M | 13 | Hand Subcutaneous layer and muscles | Finger contracture | ND | X-ray MR | Balanced Ill-defined | Vascularity(MR) Moderately enhanced(MR) |
3. Stensby et al. (2014)[14] | 9/M | 1.5 | Shoulder Subcutaneous layer | Pigmentation | 4.5 | MR | Balanced Ill-defined | Vascularity(MR) Moderately enhanced(MR) |
4. You et al.(2018)[15] | 13/M | 9 | Lumbar area Subcutaneous layer | Hypertrichosis Hyperhidrosis | 4 | US MR | Balanced Ill-defined | |
5. Guo et al.(2011)[19] | 120/M | 120 | Parapharyngeal space | Snoring | 5 | CT | Balanced Well-defined | Calcification(CT) |
6. Chang et al.(2010)[20] | 14/M | ND | Wrist Subcutaneous layer | 3.5 | X-ray MR | Balanced Well-defined | Vascularity(MR) Moderately enhanced(MR) | |
7. Arioni et al.(2006)[21] | Newborn/M | 0 | Knee Subcutaneous layer | 9 | X-ray US MR | Balanced Ill-defined | Vascularity(US) Moderately enhanced(MR) | |
8. Vilela et al.(2017)[22] | Newborn/M | 0 | Forearm Subcutaneous layer and muscles | Fracture of the ulna | ND | X-ray US MR | Balanced Ill-defined | Mildly enhanced(MR) |
9. Choudhary et al.(2010)[8] | 46/M | 46 | Foot Subcutaneous layer | Recent-onset pain | 0.9 | X-ray US MR | Non-balancedaIll-defined | Mildly enhanced(MR) |
10. Zloto et al.(2017)[9] | 7/F | 7 | Orbit area Subcutaneous layer | ND | MR | Non-balanceda Well-defined | Markedly enhanced(MR) | |
11. Ashwood et al.(2001)[10] | 12/M | 5 | Wrist Subcutaneous layer | 3 | X-ray MR | Non-balancedb Ill-defined | Vascularity(MR) | |
12. Yano et al.(2004)[16] | 10/M | 3 | Intradural space(T10- L4) | Leg weakness | ND | CT MR | Non-balanceda Well-defined | Old hematoma Moderately enhanced(MR) |
13. Choi et al.(2016)[17] | 7/M | 7 | Orbit area orbital fat and muscles | Hypertropia Downgaze limitation | 1.3 | MR | Non-balanceda Ill-defined | Moderately enhanced(MR) |
14. Han et al.(2009)[18] | 48/M | 18 | Abdominal wall Subcutaneous layer and muscles | Tuberous sclerosis Epidermal cyst | 12 | CT MR | Non-balanceda Ill-defined | Mildly enhanced(CT,MR) |
Present case 1 | 566 (47 yrs)/M | 505 (42 yrs) | Craniocervical area Subcutaneous layer | 21.3 | X-ray CT MR | Non-balanceda Ill-defined | Calcifications; Vascularity Hemorrhage; Markedly enhanced | |
Present case 2 | 232 (19 yrs)/F | 232 (19 yrs) | Craniocervical area Subcutaneous layer | 20.2 | X-ray CT MR | Non-balanceda Ill-defined | Calcifications; Vascularity |