The phrase "atypical forms" is correct and usable in written English.
It can be used to describe variations or instances that deviate from the norm or standard in a particular context.
Example: "The study focused on atypical forms of communication that are often overlooked in traditional research."
Alternatives: "unusual types" or "nonstandard variations".
Only rare mitotic figures were identified in 2 cases, but 1 showed atypical forms.
All cases demonstrated infiltrative growth pattern, cytologic atypia, and mitotic activity, including atypical forms.
There are, however, atypical forms of HC that behave like locally aggressive tumours, occasionally with relapse or even metastasis.
Although Howe et al (Howe & Wenger 2013) have described atypical forms of LA affecting multifocal presentation, all cases were diagnosed based on MRI examination.
Brehmer and Seifert [26] investigated the correlation between atypical forms of employment (non-permanent, part-time work included) and the risks of precarious work for Germany.
Aqueous humor analysis can be performed in severe atypical forms of posterior uveitis unresponsive to conventional treatment to exclude a viral infection.
This is of particluar importance since atypical forms of AD are recognized with more frontal or posterior atrophy, rather than the temporal atrophy seen in more typical cases [31].
It is important to remember that significant MRI changes are found in about 4% of patients with chronic headache but this percentage can rise up to 14% in the atypical forms.
This pattern is confirmed by the CB-LRI indicator of labour legislation, which shows that regulation of atypical forms of employment has increased during the recent period in both developed and developing economies (ILO 2015a).
CMR plays a role in the identification of other potential causes of previously undiagnosed ventricular arrhythmias, such as arrhythmogenic right ventricular dysplasia, non-compaction disease, atypical forms of hypertrophic cardiomyopathy, and unknown chronic myocardial scars [52].
Based on its proximity to SMN1 and its expression pattern, TFNR may be a candidate gene for atypical forms of SMA with cerebral atrophy and axonal neuropathy that have been shown to carry large deletions in the SMA region.
