Table 1: Characteristics of cases reported in literature with atypical appearance of epidermoid cysts on MRI.
Reference (n) |
Additional Radiological Features |
Patient Demographics (Age/Gender) |
Site |
Symptoms |
Adherence; Extent of Resection |
|||
Enhancement |
Restricted Diffusion |
|||||||
Yes |
No |
NOS |
||||||
Hamouda, et al. [6] (n = 1) |
- |
1 |
- |
No |
50/Female |
CPA |
Diplopia, Gait Instability |
NOS; GTR |
Lian, et al. [17] (n = 1) |
-
|
1 |
- |
No |
45/Male |
Frontal Lobe |
Seizures |
Adherent, STR |
Law, et al. [15] (n = 1) |
- |
1 |
- |
No |
47/Male |
Cerebellum |
Headache, Ataxia |
NOS; GTR |
Prasad, et al. [2] (n = 1) |
1 |
- |
- |
Yes |
65/Female |
Sellar |
Visual Loss, Diabetes Insipidus |
NOS; STR |
Li, et al. [16] (n = 5) |
1 |
1 |
3 |
NOS |
29/Female |
Parasellar |
Headache, Facial Paraesthesia |
Adherent; STR |
No |
49/Female |
Clival |
Hearing Loss |
NOS; STR |
||||
NOS |
26/Female |
Cerebellum |
Headache, Vomiting |
NOS; GTR |
||||
NOS |
27/Female |
Clival |
Headache, Unsteady Gait |
NOS; GTR |
||||
NOS |
46/Female |
Clival |
Limbic Paralysis |
NOS; GTR |
||||
Ren, et al. (2012)* [19] (n = 24) |
5 |
19 |
- |
NOS |
34/Male |
CPA, Sellar |
NOS |
Adherent, STR |
30/Female |
CPA, Sellar, Prepontine Cistern |
Adherent, GTR |
||||||
58/Female |
Frontal Lobe |
Not Adherent, GTR |
||||||
24/Female |
Cerebellum |
Adherent, GTR |
||||||
28/Female |
Parasellar |
Adherent, GTR |
||||||
40/Female |
Sellar |
Not Adherent, STR |
||||||
38/Female |
CPA, Parasellar |
Not Adherent, STR |
||||||
30/Female |
Parasellar |
Adherent, STR |
||||||
42/Male |
Parasellar |
Not Adherent, GTR |
||||||
37/Female |
CPA |
Adherent, STR |
||||||
45/Male |
CPA |
Adherent, STR |
||||||
37/Male |
Temporal Lobe |
Adherent, STR |
||||||
40/Male |
Temporal Lobe |
Adherent, GTR |
||||||
36/Male |
Parietal Lobe |
Not adherent, GTR |
||||||
43/Female |
Parasellar |
Adherent, STR |
||||||
30/Male |
CPA |
Adherent, STR |
||||||
39/Female |
Parasellar |
Adherent, GTR |
||||||
31/Male |
Frontal Lobe |
Adherent, GTR |
||||||
27/Male |
CPA, Parasellar |
Adherent, GTR |
||||||
63/Male |
Parafalcine |
Adherent, GTR |
||||||
33/Male |
Parasellar |
Adherent, STR |
||||||
43/Female |
Cerebellum |
Not Adherent, GTR |
||||||
46/Male |
Parasellar |
Adherent, GTR |
||||||
46/Female |
CPA, Parasellar |
Not Adherent, GTR |
||||||
Total number of cases: 33 |
Adherent (19/33); GTR (19/33) STR (14/33) |
n: Number of patients with atypical epidermoid cysts reported in the study; NOS: Not Otherwise Specified; CPA: Cerebellopontine Angle; GTR: Gross Total Resection; STR: Subtotal Resection; *Study did not report specific MRI features for each case.